Free shipping on 100 €

Free return under 100 days

Expert Help

Schedule an appointment

+33 1 84 67 14 24

Login

My account

Men's Jackets3-in-1 jackets Fleece Jackets Insulated jackets Parkas Waterproof jackets

Men Outdoor Clothing...All categories Hiking Shirts Hoodies & Jumpers Outdoor & Sport T-Shirts Outdoor Trousers Shorts Socks Sports Underwear Swimsuits

Women's Jackets3-In-1 jackets Down & Insulated jackets Fleece jackets Parkas Waterproof jackets

Women Outdoor Clothing...All categories Hiking Shirts Hoodies & Jumpers Outdoor & Sport T-Shirts Outdoor Trousers Shorts Socks Sports Underwear Swimsuits

Kids' Coats & JacketsDown & Insulated jackets Fleece jackets Parkas Rain jackets

Kids Outdoor Clothing...All categories Baselayers Hoodies & Jumper Outdoor Trousers Overall Shorts Socks Swimsuits T-Shirts

AccessoriesCaps Gloves Hats Snoods Sunglasses

Merino Wool Clothing...All categories Merino Wool Base Layers Merino Wool Hoodies & Jumpers Merino Wool Socks Merino Wool T-shirts

Gift IdeasGift ideas for kids Gift ideas for men Gifts ideas for women

Men Outdoor Shoes & Boots...All categories Approach Shoes Climbing Shoes Cycling Shoes Hiking Shoes Lifestyle shoes Mountaineering Boots Nordic Walking Shoes Running Shoes Snow boots Trail Running Shoes Walking & Hiking Sandals Walking Boots Wellington Boots

Women Outdoor Shoes & Boots...All categories Approach Shoes Climbing Shoes Cycling Shoes Hiking Boots Hiking Shoes Lifestyle shoes Mountaineering Boots Nordic Walking Shoes Running Shoes Snow & winter boots Trail Running Shoes Walking Sandals Wellington Boots

Kids Outdoor Shoes...All categories Climbing Shoes Lifestyle shoes Sandals Snow boots Trailrunning shoes Walking Boots & Shoes Wellington Boots

AccessoriesCleaning Products Gaiters Hiking boot laces Kids' Outdoor Socks Men's Sport Socks Women's Outdoor Socks

ClothingGloves Hats Jackets Shirts Shorts Socks T-Shirts Trousers

ShoesHiking Shoes Low ankle shoes Rain boots Sandals

EquipmentBackpacks Binoculars Compasses GPS devices Head torches Maps Poles Rain Cover

Camp FurnitureCamping Chairs Camping Showers Camping Tables Lanterns

SleepingCamp Beds Hammocks Pillow Sleeping Bag Liners Sleeping Bags Sleeping Mats Tents

Camp KitchenCoolers Dehydrated Meals Pots & Dishes Stoves

Hygiene & Personal CareFirst aid Kit Microfiber Towels Mosquito Nets Sunscreen Survival Blankets

HydrationInsulated watter bottles Water Bladders Water Filters Watter bottles

Clothing...All categories Jackets Shirts & Tops Shorts Socks Sports Bras Tights & Leggings

Compression sleeves

ShoesCarbon plate shoes Running shoes Trail running shoes

AccessoriesGaiters Insoles Laces Race bib holder

ElectronicsGPS Watches Head torches Headphones

Trail running bags...All categories Hydration belts Running flasks Water Pouches

Injury preventionMassage guns Orthotics Pharmacy Recovery Shoes

Honored brandsadidas Altra Ciele Athletics Garmin Mizuno New Balance Nnormal Norda Satisfy Running Soar Running

Clothing...All categories Climbing Caps Climbing Jackets Gloves Shorts T-shirts Trousers

Climbing Gear...All categories Ascenders Belay Devices & Descenders Carabiners Climbing lanyards Climbing pulleys Cords Nuts Quickdraw Slings Quickdraws Slings & Cords

Accessories...All categories Belay Glasses Chalk Chalk Bags Climbing brushes Crash pads Portaledges

TrainingClimbing Holds Fingerboards Slackline

Mountaineering...All categories Backpacks Clothing Crampons Glacier glasses Ice Axes Knives Mountaineering Boots Safety / Security Kit

ClothingCycling Gloves Cycling Jerseys Cycling Shorts Cycling trousers MTB & Road Bike Jackets

Cycling ShoesCycling Socks MTB Shoes Overshoes Road Cycling Shoes

Bike Panniers & BackpacksBike Handlebar Bags Bike Panniers Bike Saddle bags Bike Top Tube Bags Cycling Backpacks

Bike HelmetsKid's Bike Helmets MTB Helmets Road Bike Helmets Urban Cycling Helmets

Bike AccessoriesBicycle Locks Bike Lights MTB Goggles MTB Protection Road Bike Sunglasses

Bike Maintenance & Tools for RepairsBike cleaning & maintenance Bike Inner Tubes Bike pumps Bike tyres

Bike Parts...All Categories Brakes Chains Handlebar Grips & Tape Pedals

Bike WheelsGravel Wheels MTB WHeels Road wheels

Ski JacketsAlpine ski jackets Cross-country ski jackets Down & Insulated Jackets Ski Touring jackets

Ski ClothingBase Layers Gloves & Mittens Headbands & Beanies Pants & Trousers Socks

Avalanche Safety GearAvalanche Airbags Avalanche Beacons Avalanche Rescue Kits Avalanche Shovels Probes

Ski Mountaineering EquipmentCrampons Harnesses Ice Axes Ski Skins Ski touring bindings

EquipmentSki Backpacks Ski Goggles Ski Helmets Ski Maintenance Ski poles Ski Sunglasses Snowshoes

Ski BootsSki Touring Boots Snow Boots

Merino Wool ClothingMerino Wool Base Layers Merino Wool Boxers & Panties Merino Wool Fleece Jackets Merino Wool Gloves Merino Wool Socks Merino Wool Thermal Tights & Leggings

Dog HikingBelts Boots & Shoes Dog Backpacks Harnesses Leads

Nordic Walking...All categories Backpacks Poles Shoes

WatersportsFlip flops & slides Lycras Surf Wetsuits Swimwear

Yoga...All categories Bricks Clothing Mats Pilates ring

Triathlon...All categories Neoprene wetsuits Swimming buoy Swimrun Tri suits

Swimming...All categories Pull buoy Swimming goggles Swimsuits

Travel...All categories Banana bags Duffel Bag Packing cubes Ski & Bike Travel Bags Suitcases Tote bags Travel Wash Bags Urban backpacks

Jackets...All categories Down & Insulated jackets Fleece jackets Parkas Waterproof jackets Windproof & Softshell jackets

Equipment...All categories Books & Maps Hiking backpacks

Clothing...All categories Hoodies & Jumpers Outdoor trousers Shirts & Polos Shorts T-shirts & jerseys Thermal baselayers Tights

Shoes...All categories Climbing shoes Cycling shoes Mountaineering boots Rain Shoes Running shoes Running shoes Trail running shoes Winter boots

BrandsAdidas Brooks Hoka New Balance Nike On Running Patagonia Puma Salomon

A-G...All categories adidas Aigle Altra Barbour Big Agnes Birkenstock Black Diamond Bliz Columbia Cotopaxi Craft Dale of Norway deuter Eastpak Fjällräven Garmont Giro Gregory

H-N...All categories Haglöfs Hanwag Helly Hansen icebreaker Julbo La Sportiva Leki Lowa Mammut Merrell Millet Mizuno Moon Boot Mountain Equipment MSR Nemo New Balance Nnormal

O-R...All categories Oakley Ortlieb Ortovox Osprey Oxbow Pajak Patagonia Petzl Poc Protest Puma Pyrenex Quiksilver Rab Reima Rip Curl Roxy Ruffwear

S-ZScarpa Scott Sea To Summit Silva Smith Sorel Thermarest Topo Athletic Trollkids Valandré Vaude Veja Vibram Five Fingers Wahoo We Norwegians Yeti YY Vertical Ziener

Outdoor jackets3-In-1 jackets Down & Insulated jackets Fleece jackets Parkas Ski jackets Waterproof jackets

Clothing...All categories Caps Gloves & Mittens Hoodies Outdoor trousers Shorts T-shirts & Polos

Outdoor shoesClimbing shoes Cycling shoes Hiking shoes Lifestyle shoes Mountaineering boots Nordic walking shoes Rain Shoes Running shoes Snow boots Trail running shoes

PolesHiking poles Running poles Ski poles

EquipmentAvalanche Airbags Bike panniers GPS Watches Headlamps Hiking backpacks Running hydration pack Sleeping bags Sleeping mats Tents

HelmetsClimbing helmets Cycling helmets MTB Helmets Ski helmets

ActivitiesCamping Climbing Cycling Dog Hiking Hiking Swimming Trail Triathlon Watersports Winter Sports Yoga

Camping & BackpackingCamping Essentials Checklist How to choose a sleeping bag ?The 10 best backpacking sleeping pads The best 8 backpacking water filters

Hiking & TreksGR20 How to Lace & Tie Hiking Boots The 12 longest hiking trails in the world The 16 Best Walks & Hikes in the world

The 10 best Trail Running Shoes

How to choose a Hiking Baby Carrier ?

Cycling Clothing
Cycling base layers
Undershorts

Cycling & MTB Undershorts

(27)

Sort by

27 Results

Filter

Cycling base layers

Cycling technical base layers

Cycling thermal base layers

Men

Women

Alpine Stars

Assos

Castelli

Craft

Dainese

Endura

Maloja

Northwave

Poc

Rab

Vaude

Mountain Bike

Cyclotourism

Skiing

Enduro

Gravel

Road bike

25€ - 50€

50€ - 75€

75€ - 100€

100€ - 125€

125€ - 150€

150€ - 200€

Recycled

PFC-Free

Oeko-Tex

Bluesign™

Fair Wear Foundation

Green Shape

0% - 10%

10% - 20%

30% - 40%

40% - 50%

Short

Bike bibshort

Summer

Spring

Sort by

AssosTrail Tactica Liner Shorts HP T3 - MTB Undershorts - Men's

RabCinder Kinetic Shorts - MTB Undershorts - Men's199,90 €

Alpine StarsInner Shorts Pro V2 - MTB Undershorts

Alpine StarsAlps Inner Shorts - MTB Undershorts - Men's

RabCinder Kinetic Shorts - MTB Undershorts - Men's199,90 €

EnduraEngineered Padded Boxer with Clickfast - MTB Undershorts - Women's44,90 €

EnduraPadded Liner - MTB Undershorts - Women's34,90 €

RabCinder Kinetic Shorts - MTB Undershorts - Men's199,90 €

EnduraPadded Clickfast Liner - MTB Undershorts - Men's34,90 €

EnduraPadded Liner II - MTB Undershorts - Men's34,90 €

CastelliTrail W Liner - MTB Undershorts - Women's84,90 €

CastelliTrail Liner - MTB Undershorts - Men's84,90 €

MalojaNettleM.NOS - MTB Undershorts - Women's74,90 €

MalojaPoplarM. NOS - MTB Undershorts - Men's114,90 €

MalojaPlumtreeM. NOS - MTB Undershorts - Women's84,90 €

PocSynovia VPD Shorts - MTB Undershorts109,90 €

PocRe-cycle Boxer - MTB Undershorts - Men's79,90 €

PocRe-cycle Boxer - MTB Undershorts - Women's79,90 €

MalojaPoplar StrapM. NOS - MTB Undershorts - Men's129,90 €

MalojaPlumtreeM. NOS - MTB Undershorts - Women's84,90 €

CraftGreatness Bike Shorts - MTB Undershorts - Women's59,90 €

NorthwaveSport 2 Woman Inner Short - MTB Undershorts - Women's37,90 €

NorthwavePro Woman Inner Short - MTB Undershorts - Women's44,90 €

VaudeBike Innerpants III - MTB Undershorts - Men's44,90 €

Alpine StarsInner Shorts V2 - MTB Undershorts44,90 €

VaudeWomen's Bike Innerpants III - MTB Undershorts - Women's

DaineseAction Shorts Evo - MTB Undershorts - Men's

Our top brands

Patagonia Ortovox Rab La Sortiva Lowa Altra Millet Moon Boot Helly Hansen Barbour Fjällräven Columbia Scarpa Vaude Mammut Julbo New Balance Hanwag Birkenstock Petzl

Our top trending categories

Women's Down jackets Women's Parkas Women's Fleece jackets Men's Down jackets Men's Parkas Men's Fleece jackets Tents Sleeping pads Headlamps Sleeping bags Stoves Hiking backpacks Ice axes Hiking shoes & boots Trail running shoes Running shoes Climbing shoes Kids' Hiking shoes & boots Cycling helmets Kids' carriers Kids' Clothing Kids' Fleece jackets Aigle Kids' Rain shoes Patagonia Fleece jackets Pyrenex Down jackets Helly Hansen Jackets Columbia Fleece jackets Black Diamond Headlamps Meindl Shoes Dakine Backpacks Assos Cycling shorts Giro Helmets Rab Down jackets Dog Harnesses Dog Leads & Leashes Ortlieb Panniers Altra Shoes Buff Neckwear Abus Cycling helmets Patagonia Down Jackets

Need Help?

To choose your waterproof jacket, your trail shoes or to modify an order, contact our HardGuides!

Write to us!

Keep in touch

Be the first to discover our new products, exclusive sales, adventure ideas & tips, and get £5 off your first order

E-mail adress

Our mission

At Hardloop, we believe that nature and being on the move should be at the very heart of our lives. Whether you're a first-timer or a top athlete, since 2015 we've been sharing with you our love of good gear and our passion for the steep trails we love to run around on.

Read more +

Customer Service

Track my order
Size Charts & Fit Guide

Hardloop

Who are we?
HardGuides

Carbon neutral since 2015

Our Footprint
Carbon neutrality
HardGreen selection

Logistics partner

100% secured payment system

Easy Online Shopping

Free delivery from 100 €
100 Days refund policy

© Hardloop 2025
Legal Notice
Terms of Use
Privacy Policy & Data Tracking
Data preferences

More adventures

Hardloop International