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Black Week 🖤 -5% EXTRA with the code BF5 when you buy 2 products or more on (almost) everything here 👉

Men's
Men's Outdoor Clothing
Men's Sports Underwear

Men's Sports Underwear

(539)

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Sort by

Eco-friendly

icebreakerAnatomica Boxers - Underwear - Men's

£25,99

£39,90-35%

Eco-friendly

icebreakerAnatomica Boxers - Underwear - Men's£39,90

SmartwoolClassic Thermal Merino Base Layer Bottom - Merino base layer - Men's£104,90

Eco-friendly

icebreakerAnatomica Boxers - Underwear - Men's

£27,29

£41,90-35%

FalkeMaximum Warm Longsleeved Shirt - Base layer - Men's

£56,97

£76,90-26%

Eco-friendly

SmartwoolMerino 250 Baselayer Crew Boxed - Base layer - Men's£104,90

Eco-friendly

Helly HansenLifa Merino Midweight Pant - Merino base layer - Men's

£49,73

£76,90-35%

Eco-friendly

OdloNatural Performance Wool 150 Bottom - Merino base layer - Men's

£43,10

£71,90-40%

Eco-friendly

SmartwoolBoxer Brief Boxed - Underwear£37,90

Eco-friendly

Ortovox120 Comp Light Short Pants - Merino base layer - Men's£74,90

Eco-friendly

Ortovox120 Comp Light Short Pants - Merino base layer - Men's£74,90

Eco-friendly

SmartwoolClassic All-Season Merino Base Layer Long Sleeve - Merino base layer - Men's£79,90

Eco-friendly

EnduraBaaBaa Blend L/S Baselayer - Base layer - Men's

£39,92

£58,90-32%

CraftCore Warm Baselayer Set - Base layer - Men's

£50,03

£62,90-20%

Eco-friendly

SmartwoolIntraknit Merino 200 Colorblock Crew - Base layer - Men's£119,90

adidasUltimate CTE Warm LS - Base layer - Men's

£38,69

£71,90-46%

Eco-friendly

OdloActive X-Warm Eco - Base layer Bottoms - Men's

£44,90

£62,90-28%

SmartwoolClassic Thermal Merino Base Layer Bottom - Merino base layer - Men's£104,90

Eco-friendly

OdloFacemask Active Warm Eco - Base layer - Men's

£44,90

£62,90-28%

adidasTerrex XPR Longsleeve - Base layer - Men's

£38,69

£71,90-46%

Eco-friendly

SmartwoolMerino 250 Baselayer Crew Boxed - Base layer - Men's£104,90

Eco-friendly

icebreakerAnatomica Short Sleeve col V en Mérinos - Merino shirt - Men's£59,90

Eco-friendly

icebreakerAnatomica Short Sleeve Crewe en Mérinos - Merino shirt - Men's

£42,76

£59,90-28%

SmartwoolIntraknit Merino 200 Crew - Base layer - Men's£114,90

MizunoActive Thermal BT LS Shirt - Base layer - Men's

£35,90

£62,90-43%

MizunoActive Thermal BT LS Shirt - Base layer - Men's

£44,76

£62,90-28%

Eco-friendly

SmartwoolBoxer Brief Boxed - Underwear£37,90

Eco-friendly

La SportivaSwift Long Sleeve M - Base layer - Men's

£50,84

£89,95-43%

Eco-friendly

OdloActive Warm Eco - Base layer Bottoms - Men's

£38,60

£53,90-28%

SmartwoolClassic Thermal Merino Base Layer Bottom - Merino base layer - Men's£104,90

Eco-friendly

SmartwoolClassic All-Season Merino Base Layer Long Sleeve - Merino base layer - Men's

£44,90

£80,90-44%

Eco-friendly

La SportivaTour Long Sleeve M - Base layer - Men's

£48,50

£71,90-33%

Eco-friendly

SmartwoolMerino 250 Baselayer Crew Boxed - Base layer - Men's£104,90

Eco-friendly

La SportivaTour Long Sleeve M - Base layer - Men's

£48,50

£71,90-33%

Eco-friendly

Helly HansenLifa Active Pant - Base layer - Men's

£40,81

£49,90-18%

Eco-friendly

icebreakerAnatomica Boxers - Underwear - Men's£39,90

SaxxMulti-Sport Mesh - Underwear - Men's£25,90

FalkeWarm 3/4 Tights - Leggings - Men's

£29,60

£44,90-34%

Sportful2Nd Skin Tee - Base layer - Men's

£34,23

£53,95-37%

Sportful2Nd Skin Tee - Base layer - Men's

£27,83

£53,95-48%

CraftActive Intensity Long Sleeve - Base layer - Men's

£38,60

£44,90-14%

CraftActive Intensity Long Sleeve - Base layer - Men's

£32,38

£44,90-28%

Eco-friendly

icebreaker200 Oasis Long Sleeve Crewe - Merino base layer - Men's£84,90

Eco-friendly

OdloPerformance Breathe X-Light - Tank top - Men's

£26,94

£35,95-25%

CraftAdv Subz Wool Ls Tee - Base layer - Men's

£40,04

£62,90-36%

Eco-friendly

icebreakerAnatomica Boxers - Underwear - Men's£39,90

SaxxKinetic Light Compression Mesh Long Leg - Underwear - Men's£35,90

Eco-friendly

CraftACTIVE Intensity Knicker - Base layer - Men's

£26,90

£35,90-25%

Eco-friendly

icebreaker260 Tech Leggings - Merino base layer - Men's£104,90

SaxxKinetic Light-Compression Mesh - Underwear£34,90

SaxxVibe Boxer Brief - Underwear - Men's£30,90

SaxxVibe Boxer Brief - Underwear - Men's

£25,43

£30,90-18%

SaxxUltra Boxer Brief Fly - Underwear - Men's£30,90

Eco-friendly

icebreaker260 Tech Long Sleeve Crewe - Merino base layer - Men's£104,90

(1)

SaxxVibe Boxer Brief - Underwear - Men's

£25,43

£30,90-18%

SaxxUltra Boxer Brief Fly - Underwear - Men's£30,90

Eco-friendly

icebreakerAnatomica Boxers - Underwear - Men's£39,90

SaxxVibe Super Soft Trunk - Underwear - Men's£30,90

SaxxUltra Boxer Brief Fly - Underwear - Men's£30,90

Eco-friendly

icebreaker200 Oasis Long Sleeve Crewe - Merino base layer - Men's£84,90

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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.

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