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

(581)

Sort by

581 Results

Filter

Sports underwear

Hoodies & jumpers

Gloves & mittens

Men's Capri pants

Men's Ski suits

Men's Cycling skinsuits

Men's Freediving wetsuits

Men's Diving wetsuits

Neoprene diving tops

Men

Women

7mesh

adidas

Alpine Stars

Assos

Berghaus

Black Diamond

Bogner Fire + Ice

BV Sport

Carinthia

Castelli

CMP

Columbia

Craft

Dainese

Dale of Norway

Devold

Endura

Falke

Ferrino

GripGrab

Haglöfs

Helly Hansen

Houdini Sportswear

icebreaker

ION

Karpos

La Sportiva

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

Superdry

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

Hiking

Running

Skiing

Trekking

Climbing

Travel

0% - 10%

10% - 20%

20% - 30%

30% - 40%

40% - 50%

+ 50%

Bluesign™

Green Shape

Grüner Knopf

Ecomaterial

PFC-Free

ZQ Merino

T-shirt

Top base layer

Boxer shorts

Base layers

Thermal jersey

Merino Wool Jersey

Yes

No

Long

Syears

Short

Polygiene®

Polygiene® / Polartec®

Polartec® Power Grid™

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

HeiQ Fresh

lifa® stay warm

Sort by

-5% Extra - Code Spring5

Helly HansenHP 1/2 Zip Pullover 2.0 - Base layer - Men'sCHF 75,00VAT and custom duties included

-5% Extra - Code Spring5

icebreaker200 Oasis Long Sleeve Crewe - Merino base layer - Men's

VAT and custom duties included

-5% Extra - Code Spring5

SmartwoolMerino Boxer Brief Boxed - Merino base layer - Men'sCHF 56,00VAT and custom duties included

-5% Extra - Code Spring5

Helly HansenHH Tech Hoodie - Base layer - Men'sCHF 49,00VAT and custom duties included

-5% Extra - Code Spring5

Helly HansenH1 Pro Lifa Merino Race Top - Base layer

VAT and custom duties included

-5% Extra - Code Spring5

MalojaBranchM. NOS - Underwear - Men's

VAT and custom duties included

-5% Extra - Code Spring5

Helly HansenHH Tech 1/2 Zip 2.0 - Base layer - Men'sCHF 40,00VAT and custom duties included

-5% Extra - Code Spring5

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

VAT and custom duties included

-5% Extra - Code Spring5

DevoldBreeze - Underwear - Men's

VAT and custom duties included

-5% Extra - Code Spring5

Helly HansenHH Tech T-Shirt 2.0 - Base layer - Men'sCHF 30,00VAT and custom duties included

-5% Extra - Code Spring5

adidasTerrex Xperior Merino 200 SS - Merino Wool Jersey - Men's

VAT and custom duties included

-5% Extra - Code Spring5

MilletDrynamic Warm 1/2 Zip - Merino Wool Jersey - Men's

VAT and custom duties included

-5% Extra - Code Spring5

Helly HansenHP 1/2 Zip Pullover 2.0 - Base layer - Men'sCHF 75,00VAT and custom duties included

-5% Extra - Code Spring5

CraftCore Gain Midlayer - Base layer - Men's

VAT and custom duties included

-5% Extra - Code Spring5

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

VAT and custom duties included

-5% Extra - Code Spring5

Helly HansenHH Tech Hoodie - Base layer - Men'sCHF 49,00VAT and custom duties included

-5% Extra - Code Spring5

SaxxVolt Maille Respirante - Underwear - Men's

VAT and custom duties included

-5% Extra - Code Spring5

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

VAT and custom duties included

-5% Extra - Code Spring5

Helly HansenHH Tech Crew LS 2.0 - Base layer - Men'sCHF 35,00VAT and custom duties included

-5% Extra - Code Spring5

EnduraBaaBaa Blend L/S Baselayer - Base layer - Men'sCHF 75,00VAT and custom duties included

-5% Extra - Code Spring5

Mountain EquipmentIgnis Tee - Base layer - Men's

VAT and custom duties included

-5% Extra - Code Spring5

Helly HansenHH Tech T-Shirt 2.0 - Base layer - Men'sCHF 30,00VAT and custom duties included

-5% Extra - Code Spring5

X-BionicInvent 4.0 Pants - Base layer - Men's

VAT and custom duties included

-5% Extra - Code Spring5

adidasTerrex Xperior Merino 150 LS - Merino Wool Jersey - Men's

VAT and custom duties included

-5% Extra - Code Spring5

Helly HansenHP 1/2 Zip Pullover 2.0 - Base layer - Men'sCHF 75,00VAT and custom duties included

-5% Extra - Code Spring5

DevoldDuo Active Merino 205 Longs - Merino wool Thermal Tight - Men's

VAT and custom duties included

-5% Extra - Code Spring5

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

VAT and custom duties included

-5% Extra - Code Spring5

Helly HansenHH Tech Crew LS 2.0 - Base layer - Men'sCHF 35,00VAT and custom duties included

-5% Extra - Code Spring5

adidasTerrex Xperior Merino 260 LS - Merino Wool Jersey - Men's

VAT and custom duties included

-5% Extra - Code Spring5

CraftActive Extreme X Wind SS - Base layer - Men's

VAT and custom duties included

-5% Extra - Code Spring5

Helly HansenHH Tech T-Shirt 2.0 - Base layer - Men'sCHF 30,00VAT and custom duties included

-5% Extra - Code Spring5

EnduraEngineered Baselayer - Base layer - Men's

VAT and custom duties included

-5% Extra - Code Spring5

DevoldDuo Active Merino 205 3/4 Longs - Merino wool Thermal Tight - Men's

VAT and custom duties included

-5% Extra - Code Spring5

Helly HansenHP 1/2 Zip Pullover 2.0 - Base layer - Men'sCHF 75,00VAT and custom duties included

-5% Extra - Code Spring5

CMPMen's Merino wool base layer tights - Base layer - Men'sCHF 70,00VAT and custom duties included

-5% Extra - Code Spring5

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

VAT and custom duties included

-5% Extra - Code Spring5

Helly HansenHH Tech Hoodie - Base layer - Men'sCHF 49,00VAT and custom duties included

-5% Extra - Code Spring5

SaxxEssential Cotton Boxer Brief Fly - Underwear - Men's

VAT and custom duties included

-5% Extra - Code Spring5

CraftCore Wool Merino Pant - Leggings - Women's

VAT and custom duties included

-5% Extra - Code Spring5

Helly HansenHH Tech Crew LS 2.0 - Base layer - Men'sCHF 35,00VAT and custom duties included

-5% Extra - Code Spring5

Ortovox185 Rock'N'Wool Boxer - Underwear

VAT and custom duties included

-5% Extra - Code Spring5

SaxxMulti-Sport Mesh 3-Pack - Underwear - Men's

VAT and custom duties included

-5% Extra - Code Spring5

Helly HansenHH Tech T-Shirt 2.0 - Base layer - Men'sCHF 30,00VAT and custom duties included

-5% Extra - Code Spring5

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

VAT and custom duties included

-5% Extra - Code Spring5

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

VAT and custom duties included

-5% Extra - Code Spring5

Helly HansenHP 1/2 Zip Pullover 2.0 - Base layer - Men'sCHF 75,00VAT and custom duties included

-5% Extra - Code Spring5

Sportful2Nd Skin Tee - Base layer - Men's

VAT and custom duties included

-5% Extra - Code Spring5

Mons RoyaleHold 'em Boxer - Underwear - Men's

VAT and custom duties included

-5% Extra - Code Spring5

Helly HansenHH Tech Crew LS 2.0 - Base layer - Men'sCHF 35,00VAT and custom duties included

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

VAT and custom duties included

-5% Extra - Code Spring5

CraftActive Intensity Long Sleeve - Base layer - Men's

VAT and custom duties included

-5% Extra - Code Spring5

KarposDinamico Merino 180 Tights - Merino base layer - Men'sCHF 95,00VAT and custom duties included

-5% Extra - Code Spring5

Helly HansenLifa Pant - Base layer - Men'sCHF 45,00VAT and custom duties included

-5% Extra - Code Spring5

Helly HansenHH Lifa Stripe Crew - Base layer - Men'sCHF 45,00VAT and custom duties included

-5% Extra - Code Spring5

Ortovox185 Rock'N'Wool Zip Neck - Merino Wool Jersey - Men'sCHF 130,00VAT and custom duties included

-5% Extra - Code Spring5

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

-5% Extra - Code Spring5

Ortovox185 Rock'N'Wool Zip Neck - Merino Wool Jersey - Men'sCHF 130,00VAT and custom duties included

-5% Extra - Code Spring5

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

-5% Extra - Code Spring5

X-BionicMightywool Pants - Base layer - Men'sCHF 120,00VAT and custom duties included

1
...
4
5
6
7
8
...
10

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