Free shipping on CHF 150

Free return under 100 days

Expert Help

Schedule an appointment

+33 1 84 67 14 24

Login

My account

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

Men's Sports Underwear

(619)

Sort by

619 Results

Filter

Sports underwear

Hoodies & jumpers

Gloves & mittens

Men's Capri pants

Men's Ski suits

Men's Cycling skinsuits

Men

Women

7mesh

adidas

Alpine Stars

Assos

Bogner Fire + Ice

BV Sport

Carinthia

Castelli

CMP

Columbia

Craft

Dainese

Dale of Norway

Devold

Endura

Faguo

Ferrino

GripGrab

Haglöfs

Helly Hansen

Houdini Sportswear

icebreaker

Karpos

La Sportiva

Lenz

Maap

Maier Sports

Maloja

Mammut

Millet

Mizuno

Mons Royale

Mountain Equipment

Mountain Hardwear

New Balance

Ortovox

Outdoor Research

PAG Neckwear

Patagonia

Poc

Protest

Rab

Rossignol

Saxx

Smartwool

Soar Running

Sportful

The North Face

Vaude

X-Bionic

CHF 0 - CHF 25

CHF 25 - CHF 50

CHF 50 - CHF 75

CHF 75 - CHF 100

CHF 100 - CHF 125

CHF 125 - CHF 150

Running

Skiing

Trekking

Climbing

Travel

Mountaineering

0% - 10%

10% - 20%

20% - 30%

30% - 40%

40% - 50%

+ 50%

Green Shape

Grüner Knopf

Ecomaterial

PFC-Free

ZQ Merino

Bluesign™

T-shirt

Top base layer

Boxer shorts

Base layers

Thermal jersey

Merino Wool Jersey

Yes

No

Long

Syears

Short

Polartec Power Grid

Polygiene®

Polygiene® / Polartec®

Polartec® Power Grid

Polartec® Power Grid™

Ballpark Pouch™ - Flat Out Seams™ - Trois-D Fit™

Sort by

Helly HansenShine Solen LS Crew - Base layer - Men's

VAT and custom duties included

SaxxDaytripper Comfort Strech Court Braguette 3-Pack - Underwear - Men's

VAT and custom duties included

Helly HansenLifa Merino Midweight 1/2 Zip - Base layer - Men's

VAT and custom duties included

DevoldBreeze - Base layer - Men's

VAT and custom duties included

MilletDrynamic Soft 3/4 Tight - Base layer - Men'sCHF 60,00VAT and custom duties included

SaxxQuest Maille Quik-Dry Braguette - Underwear - Men's

VAT and custom duties included

Ortovox120 Comp Light Shorts - Merino Wool Boxer

VAT and custom duties included

DevoldLauparen Merino 190 Shirt - Merino Wool Jersey - Men's

VAT and custom duties included

DevoldBreeze - Base layer - Men's

VAT and custom duties included

Mons RoyaleCascade Merino Flex Long Sleeve - Merino Wool Jersey - Men'sCHF 110,00VAT and custom duties included

SaxxDroptemp Cooling Cotton Braguette 2-Pack - Underwear - Men's

VAT and custom duties included

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

VAT and custom duties included

icebreakerAnatomica Short Sleeve col V en Mérinos - Merino shirt - Men's

VAT and custom duties included

Mons RoyaleCascade Merino Flex Legging - Merino wool Thermal Tight - Men'sCHF 110,00VAT and custom duties included

icebreakerAnatomica Tank - Tank top - Men's

VAT and custom duties included

SmartwoolMerino Boxer Brief Boxed - Merino base layer - Men's

VAT and custom duties included

Helly HansenLifa Active Pant - Base layer - Men'sCHF 55,00VAT and custom duties included

icebreaker200 Oasis Shorts - Merino Wool Boxer

VAT and custom duties included

Mons RoyaleHold 'em Shorty Boxer - Underwear - Men'sCHF 46,00VAT and custom duties included

Helly HansenLifa Active Stripe Crew - Base layer - Men's

VAT and custom duties included

Sportful2Nd Skin Tee - Base layer - Men's

VAT and custom duties included

Helly HansenLifa Merino Midweight Crew - Base layer - Men's

VAT and custom duties included

Helly HansenLifa Merino Midweight Crew - Base layer - Men'sCHF 90,00VAT and custom duties included

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

VAT and custom duties included

Ortovox150 Essential Boxer Briefs - UnderwearCHF 50,00VAT and custom duties included

CMPMen's base layer pant - Base layer - Men's

VAT and custom duties included

Helly HansenLifa Merino Midweight Crew - Base layer - Men'sCHF 90,00VAT and custom duties included

Ortovox120 Comp Light Boxer - UnderwearCHF 45,00VAT and custom duties included

Ortovox150 Essential Briefs - Merino Wool BoxerCHF 40,00VAT and custom duties included

icebreakerAnatomica Short Sleeve col V en Mérinos - Merino shirt - Men's

VAT and custom duties included

Helly HansenLifa Merino Midweight Pant - Merino base layer - Men'sCHF 85,00VAT and custom duties included

SaxxKinetic Light-Compression Mesh - Underwear

VAT and custom duties included

New BalanceSport Essentials Heathertech T-Shirt - Base layer - Men's

VAT and custom duties included

CMPMen's 3/4-length base layer pants - Base layer - Men'sCHF 26,00VAT and custom duties included

RabSyncrino - Merino Wool Boxer

VAT and custom duties included

Helly HansenLifa Merino Midweight Pant - Merino base layer - Men'sCHF 85,00VAT and custom duties included

SaxxVibe Xtra Super Soft - Underwear - Men's

VAT and custom duties included

SaxxVibe Xtra Super Soft - Underwear - Men's

VAT and custom duties included

CMPSeamless base layer round neck top - Base layer - Men's

VAT and custom duties included

SaxxDropTemp Cooling Cotton - Underwear - Men's

VAT and custom duties included

Helly HansenLifa Merino Midweight Pant - Merino base layer - Men'sCHF 85,00VAT and custom duties included

SaxxVibe Xtra Super Soft - Underwear - Men's

VAT and custom duties included

SaxxUltra Boxer Brief Fly - Underwear - Men's

VAT and custom duties included

CMPMen's LS crew neck base layer - Base layer - Men's

VAT and custom duties included

CMPMen's LS crew neck base layer - Base layer - Men's

VAT and custom duties included

Helly HansenVersalite Fleece Hoodie - Base layer - Men'sCHF 70,00VAT and custom duties included

SaxxVolt Maille Respirante - Underwear - Men's

VAT and custom duties included

CMPMen's Seamless short sleeves underwear jersey - Base layer - Men'sCHF 30,00VAT and custom duties included

icebreaker200 Oasis Leggings with Fly - Merino base layer - Men's

VAT and custom duties included

Helly HansenTyri Knit Hoodie - Base layer - Men'sCHF 85,00VAT and custom duties included

CMPSeamless base layer tights - Base layer - Men's

VAT and custom duties included

CMPMen's base layer t-shirt - Base layer - Men's

VAT and custom duties included

Helly HansenTyri Knit Hoodie - Base layer - Men'sCHF 85,00VAT and custom duties included

Helly HansenTyri Knit Hoodie - Base layer - Men'sCHF 85,00VAT and custom duties included

Helly HansenTyri Knit Hoodie - Base layer - Men'sCHF 85,00VAT and custom duties included

Helly HansenTrail SS T-Shirt - Base layer - Men'sCHF 40,00VAT and custom duties included

Helly HansenTyri Knit 1/2 Zip - Base layer - Men'sCHF 80,00VAT and custom duties included

Helly HansenTyri Knit 1/2 Zip - Base layer - Men'sCHF 80,00VAT and custom duties included

Helly HansenTrail SS T-Shirt - Base layer - Men'sCHF 40,00VAT and custom duties included

Helly HansenTyri Knit 1/2 Zip - Base layer - Men'sCHF 80,00VAT and custom duties included

1
...
3
4
5
6
7
8
9
10
...
11

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 CHF 5 off your next order

E-mail adress

Free shipping on CHF 100Free return under 100 daysCarbon neutral

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
All help topics
Return & refund

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 CHF 150
100 Days refund policy
Customer service free of charge

© Hardloop 2026
Legal Notice
Terms of Use
Privacy Policy & Data Tracking
Data preferences

More adventures

Hardloop International