Trail Running Clothing UK: 8 Best Brands & Retailers

Choosing trail running clothing in the UK can feel harder than the climbs. One minute you’re on exposed moorland in driving rain, the next you’re ducking through humid woodland. You need kit that breathes on the ups, sheds weather on the tops, and survives brambles and bogs. Add race‑mandated waterproofs, confusing fabric jargon and a wide spread of prices, and it’s tricky to know where to shop with confidence — and who will deliver quickly and handle returns without fuss.

This guide rounds up eight standout UK options — a mix of specialist trail brands and trusted retailers — and tells you what to expect from each. For every pick we cover what you’ll find, who it’s best for, notable pieces, prices and value, plus delivery and returns. Whether you’re gearing up for your first muddy 10k or an ultra, use this list to build a reliable wardrobe for all seasons and conditions, and jump straight to what fits your needs.

1. Take a Hike UK

Take a Hike UK is a convenient starting point if you’re building a trail running wardrobe and want to add smart extras in one basket. The store mixes activewear with outdoor essentials and trail-friendly tech, making it easy to cover clothing, small packs, and useful gadgets without hopping between retailers.

What you'll find

You’ll find a curated range of outdoor gear, tech accessories, and activewear organised into clear categories (Camping, Tech, Gear). Expect everyday running layers like lightweight jackets and tops alongside practical extras for trail days, plus best-sellers, new-season arrivals and editor’s picks that surface reliable choices quickly.

Best for

Trail runners who value convenience and good deals — especially if you’re kitting up for varied UK conditions and want clothing plus practical add-ons (from emergency bits to smart hydration and audio) in a single checkout.

Notable picks

If you’re shopping for trail running clothing in the UK and want quick wins, start here:

• Lightweight running jackets: Packable protection for showery moorland miles.
• Everyday active tops: Comfortable layers for training and travel.
• Compact day packs and accessories: Simple carry solutions for snacks, gloves, and a spare layer.
• Useful tech: Smart water bottles and Bluetooth headbands for long efforts.

Price range and value

Regular “August Deals” style promotions offer limited-time savings on selected items, helping you stretch budget across clothing and accessories. Value stacks further with free delivery on qualifying baskets.

Delivery and returns

• Free delivery: On all orders over £50.
• Returns: 14-day money-back guarantee on unused items.
• Support: 12/6 customer service, 8 am–8 pm UK time, Monday to Saturday, for fast pre‑ and post‑purchase help.

2. Harrier Trail Running

Harrier Trail Running focuses on essential kit that works from your first muddy 10k to ultra distances. Their range leans into practical, weather-ready pieces for UK conditions, with performance waterproofs for foul days and breathable staples for everyday miles. It’s a straight-talking brand that keeps choices focused so you can gear up quickly and get out the door.

What you'll find

A tight apparel line built for off‑road: high‑performance waterproof jackets and trousers suited to running, hiking or fast‑packing, plus t‑shirts and vests made from recycled bottles. The emphasis is on function, durability and comfort that stands up to mixed British weather and varied terrain.

Best for

Runners who want dependable trail running clothing in the UK without fuss — from beginners seeking confidence‑boosting staples to experienced athletes who need straightforward, hard‑working layers for training and racing across seasons.

Notable picks

If you’re trimming your shortlist, these Harrier staples are a smart starting point:

• Waterproof jackets: Weather protection that’s built for moving fast on the hills.
• Waterproof trousers: Simple, packable leg coverage for grim, wet outings.
• Recycled tees and vests: Everyday training layers made from recycled bottles.

Price range and value

Harrier prioritises performance and practicality, with recycled materials where it makes sense. The focused range helps you spend on pieces that carry you through most UK trail scenarios without overcomplicating your kit list.

Delivery and returns

Check Harrier’s site for current UK delivery options and return windows, as details can change and may vary by item. Look for the apparel collection pages for the latest availability and policies.

3. inov-8

If you want a one-brand setup that’s built for off‑road from the ground up, inov‑8 is a strong bet. Best known for its award‑winning trail shoes, the brand backs them up with a full range of trail running clothing and accessories designed to keep you warm and protected whether you’re training midweek or racing ultras. It’s a clean way to build a reliable, cohesive kit system for UK trails.

What you'll find

High‑performance trail running gear spanning shoes, clothing and accessories. The clothing range focuses on breathable, protective pieces you can rotate across seasons, with options aimed at staying comfortable on climbs and sheltered on exposed tops when the weather turns.

Best for

Runners who want a head‑to‑toe setup that’s purpose‑built for trails and ultras. If you prioritise traction underfoot plus straightforward, performance clothing that handles changeable British conditions, inov‑8 keeps the decision tree short and confidence high.

Notable picks

If you’re narrowing your shortlist, these staples are easy wins:

• Award‑winning trail shoes: Proven traction and fit for varied distances and terrain.
• Breathable shirts and shorts: Everyday training layers that wick and dry fast.
• Protective outer layers and mid‑layers: Simple, lightweight coverage for unsettled weather.
• Trail accessories: Practical add‑ons to round out a race‑ready kit.

Price range and value

This is performance‑first kit geared for off‑road efficiency and durability. You’ll get value by choosing versatile layers that cover most UK runs year‑round, pairing them with the brand’s proven footwear for a coherent setup from training block to race day.

Delivery and returns

Check inov‑8’s site for current UK delivery options and return windows, as policies can change and may vary by product. Look for the running clothing pages for the latest stock information and support.

4. Montane

Montane leans into lightweight performance you can trust on British hills. The brand’s trail running clothing feels purpose-built for moving quickly over rough ground, with breathable fabrics that manage sweat on climbs and protective shells that don’t weigh you down when the weather turns. Add in well-designed running packs and you’ve got a clean, modular system for UK trails.

What you'll find

A focused line of lightweight, breathable trail kit: base layers that wick, shorts that stand up to grit and mileage, and waterproof jackets built for running rather than walking. Montane also offers running packs and vests that balance storage, stability and low weight for training and race days alike.

• Featherweight waterproof jackets: Run-ready protection that packs small.
• Breathable base layers: Quick-drying tops for year-round rotation.
• Durable shorts: Comfortable, hard-working options for daily miles.
• Running packs and vests: Stable carry for fuel, flasks and spare layers.

Best for

Runners who want minimal, technical kit that holds steady on fell and mountain terrain. If you’re chasing reliable layers for changeable UK conditions without bulk or fuss, Montane’s streamlined approach delivers.

Notable picks

• Light waterproof shells: Easy to stash, ready for sudden showers on the tops.
• Ultralight base layers: High-wicking tees that keep you comfortable when efforts ramp.
• Trail shorts: Built to move freely and take abrasion.
• Hydration vests/packs: Thoughtful pocketing for efficient access on the move.

Price range and value

This is performance-first gear with an emphasis on low weight and breathability. You’ll get strong value by choosing versatile staples that cover most British seasons and slot neatly into a compact, year-round rotation.

Delivery and returns

Check Montane’s site for current UK delivery options and return windows, as policies can change and may vary by product. Look to the running collection pages for the latest availability and support.

5. Ronhill

Ronhill’s trail running clothing is designed for rugged terrain and unpredictable weather, with an emphasis on durability, comfort and performance. If you’re piecing together trail running clothing in the UK for year‑round use, their focused range makes it easy to build a simple, reliable rotation that copes with mixed conditions.

What you'll find

A dedicated trail collection built for off‑road efforts, with pieces intended to layer smoothly as conditions change. Expect run‑ready fabrics aimed at balancing breathability on climbs with protection and comfort when the weather turns.

• Trail-specific layers: Purposeful pieces for off‑road running.
• Weather-minded designs: Made to handle changeable conditions.
• Comfort-first details: Fit and feel that move well over distance.

Best for

Runners who want straightforward, trail‑focused kit that works from daily woodland loops to exposed moorland days. If you prefer dependable garments that prioritise function over fuss, Ronhill keeps the choices clear.

Notable picks

Use these categories to anchor a versatile setup from their trail line:

• Weather-ready outer layers: Built to keep you moving when showers sweep through.
• Breathable training tops: Everyday comfort for steady miles and tempo work.
• Hard-wearing bottoms: Confidence when paths turn gritty, steep or scrappy.

Price range and value

The appeal here is long‑wearing performance and comfort you’ll reach for often. Choose a small set of versatile layers to cover most British seasons and you’ll get strong value from repeat use.

Delivery and returns

Check Ronhill’s site for the latest UK delivery options and return windows, as policies may change and can vary by product.

6. Runners Need

Runners Need is a go-to UK retailer when you want a big-picture view of trail options in one place. You can compare trail running clothing, footwear and gear side by side from trusted brands, making it easier to match fit, traction and weather protection to your local terrain and budget.

What you'll find

A comprehensive selection of off‑road kit: trail running shoes, clothing and gear built for muddy paths, rocky descents and wet, windy days. You’ll find essentials from top brands like Salomon, HOKA and ASICS, with year‑round staples for training and racing.

• Shoes for varied terrain: From grippy daily trainers to race‑ready models.
• Trail clothing staples: Tees, shorts, tights and mid‑layers for all seasons.
• Weather protection: Lightweight waterproof jackets and practical outer layers.
• Packs and accessories: Simple add‑ons to round out your setup.

Best for

Runners who want a one‑stop comparison across brands, sizes and price tiers. If you’re refining your shoe choice, building a full kit list, or upgrading key layers for British conditions, Runners Need streamlines the search.

Notable picks

• Salomon and HOKA trail shoes: Reliable traction and fit for different distances.
• ASICS trail apparel: Everyday tops and shorts that wick and dry quickly.
• Race‑ready waterproofs: Compact shells that tick mandatory kit boxes.
• All‑season basics: Versatile layers that handle changeable UK weather.

Price range and value

Expect multiple price points from entry to premium across brands. The value play is simple: compare like‑for‑like specs, prioritise versatile pieces you’ll use weekly, and build a small rotation that covers most UK runs.

Delivery and returns

Check Runners Need’s site for current UK delivery options and return windows, as policies can change and may vary by product or brand. Use the trail category pages for the latest availability and support.

7. Patagonia

Patagonia brings a sustainability-first approach to trail running clothing without sacrificing performance. Their trail range uses recycled materials throughout and is made in Fair Trade Certified factories, with a clear emphasis on durability and function for real-world miles on UK paths, moors and fells.

What you'll find

A considered selection of trail running apparel that covers the essentials: shirts, shorts and everyday layers designed to breathe, dry quickly and handle repeated use. The common thread is responsible material choices and factory standards paired with hard-wearing construction to stand up to changeable British conditions.

• Trail shirts and tees: Breathable, quick-drying layers for training and racing.
• Lightweight shorts: Comfortable options built to move freely over mixed terrain.
• Core layers: Simple, versatile pieces for year-round rotation.
• Ethically made basics: Recycled fabrics, Fair Trade Certified manufacturing.

Best for

Runners who want trail running clothing in the UK that pairs performance with proven environmental and social credentials. If you value long-lasting kit and transparent sourcing, Patagonia makes it easy to build a tight, dependable wardrobe.

Notable picks

Anchor a simple, effective setup with these categories:

• Recycled trail tees: Everyday comfort with responsible materials.
• Run-ready shorts: Lightweight, durable options for regular mileage.
• Versatile mid-layers: Practical pieces for cool starts and changeable days.
• Durability-first staples: Items you’ll reach for week after week.

Price range and value

You’re paying for performance backed by recycled materials and Fair Trade Certified manufacturing. The value comes from durable construction and versatile designs that see frequent use across seasons, reducing the need for constant replacements.

Delivery and returns

Check Patagonia’s UK/EU site for the latest delivery options, shipping thresholds and return windows, as policies can change and may vary by product.

8. Alpkit

Alpkit’s trail run clothing range is aimed at everything from local park runs to muddy trails and full-on mountain marathons. Their ethos is clear: performance technical apparel doesn’t have to cost the earth, with an ethical lean that resonates if you’re building a dependable, good-value setup for British conditions.

What you'll find

A focused line of performance trail apparel designed to move well and stand up to messy weather and terrain. Expect breathable, run-ready layers you can rotate through the seasons, with straightforward designs that prioritise comfort and function for off‑road miles.

Best for

Runners who want value-led, ethical gear that still performs when the path turns steep, wet or scrappy. If you’re piecing together trail running clothing in the UK without chasing hype or high price tags, Alpkit keeps it simple and effective.

Notable picks

If you’re assembling a small, versatile kit, start with these categories:

• Lightweight tees and vests: Everyday layers that manage heat on climbs.
• Weather-minded outer layers: Practical protection when showers blow through.
• Durable shorts/tights: Built to move freely and handle abrasion.
• Comfortable base layers: Reliable foundations for cooler starts.

Price range and value

Alpkit champions the idea that performance kit shouldn’t break the bank. You’ll get strong value by choosing versatile staples that work for training and race days alike, with an ethical approach baked in.

Delivery and returns

Check Alpkit’s site for current UK delivery options, shipping thresholds and return windows, as details can change and may vary by product.

Final thoughts

Building a trail wardrobe for the UK doesn’t require a big kit cupboard — just a smart rotation that breathes on climbs, shrugs off weather on tops, and stands up to gritty miles. The eight picks above give you clear routes: brand-led systems for head‑to‑toe cohesion, or retailer breadth when you want to compare fits, fabrics and prices side by side. Start with a breathable tee, hard‑wearing shorts, and a packable waterproof; add mid‑layers and accessories as your routes and seasons expand.

Ready to tick off the essentials and grab practical extras in one basket? Shop clothing, packs and trail‑friendly tech at Take a Hike UK with free delivery over £50, 14‑day returns on unused items, and responsive UK support to get you out the door faster.