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 Outdoor Clothing
Men's Sports Underwear
Men's Baselayers

Men's Baselayers

(415)

Sort by

415 Results

Filter

Sports underwear

Men

Women

adidas

Assos

Berghaus

Black Diamond

Bogner Fire + Ice

BV Sport

Castelli

CMP

Columbia

Craft

Dainese

Dale of Norway

Devold

Endura

Falke

GripGrab

Helly Hansen

Houdini Sportswear

icebreaker

Karpos

La Sportiva

Maap

Maier Sports

Maloja

Mammut

Millet

Mizuno

Mons Royale

Mountain Equipment

Mountain Hardwear

Ortovox

Outdoor Research

Patagonia

Poc

Protest

Rab

Rossignol

Smartwool

Soar Running

Sportful

The North Face

X-Bionic

Trail running

Running

Skiing

Climbing

Daily use

Mountain Bike

CHF 0 - CHF 25

CHF 25 - CHF 50

CHF 50 - CHF 75

CHF 75 - CHF 100

CHF 100 - CHF 125

CHF 125 - CHF 150

0% - 10%

10% - 20%

20% - 30%

30% - 40%

40% - 50%

+ 50%

Bluesign™

Recycled

Origine Européenne Garantie

ZQ Merinos

PFC-Free

ZQ Merino

T-shirt

Top base layer

Thermal jersey

Merino Wool Jersey

Technical jersey

Bottom base layer

No

Yes

Short

Long

Syears

Polygiene®

Polartec® Power Grid

Polartec® Power Grid™

Polygiene®

HeiQ Fresh

Breath Thermo®

Sort by

HH Tech Crew LS 2.0 - Base layer - Men's

-5% Extra - Code Spring5

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

Classic All-Season Merino Base Layer Bottom - Merino base layer - Men's

-5% Extra - Code Spring5

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

VAT and custom duties included

HH Tech 1/2 Zip 2.0 - Base layer - Men's

-5% Extra - Code Spring5

Helly HansenHH Tech 1/2 Zip 2.0 - Base layer - Men's

VAT and custom duties included

HH Tech T-Shirt 2.0 - Base layer - Men's

-5% Extra - Code Spring5

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

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

-5% Extra - Code Spring5

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

VAT and custom duties included

Core Dry Active Comfort HZ - Base layer - Men's

-5% Extra - Code Spring5

CraftCore Dry Active Comfort HZ - Base layer - Men's

VAT and custom duties included

HP 1/2 Zip Pullover 2.0 - Base layer - Men's

-5% Extra - Code Spring5

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

Men's Merino wool base layer tights - Base layer - Men's

-5% Extra - Code Spring5

CMPMen's Merino wool base layer tights - Base layer - Men's

VAT and custom duties included

HH Tech T-Shirt 2.0 - Base layer - Men's

-5% Extra - Code Spring5

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

Invent 4.0 Pants - Base layer - Men's

-5% Extra - Code Spring5

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

VAT and custom duties included

Shine Solen LS Crew - Base layer - Men's

-5% Extra - Code Spring5

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

VAT and custom duties included

HP 1/2 Zip Pullover 2.0 - Base layer - Men's

-5% Extra - Code Spring5

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

Core Wool Merino Pant - Leggings - Men's

-5% Extra - Code Spring5

CraftCore Wool Merino Pant - Leggings - Men's

VAT and custom duties included

Lifa Active Stripe Crew - Base layer - Men's

-5% Extra - Code Spring5

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

VAT and custom duties included

HH Tech Hoodie - Base layer - Men's

-5% Extra - Code Spring5

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

2Nd Skin Tee - Base layer - Men's

-5% Extra - Code Spring5

Sportful2Nd Skin Tee - Base layer - Men's

VAT and custom duties included

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

-5% Extra - Code Spring5

CMPMen's base layer t-shirt - Base layer - Men'sCHF 26,00VAT and custom duties included

HH Tech 1/2 Zip 2.0 - Base layer - Men's

-5% Extra - Code Spring5

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

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

-5% Extra - Code Spring5

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

VAT and custom duties included

Active Intensity Long Sleeve - Base layer - Men's

-5% Extra - Code Spring5

CraftActive Intensity Long Sleeve - Base layer - Men's

VAT and custom duties included

HH Tech T-Shirt 2.0 - Base layer - Men's

-5% Extra - Code Spring5

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

Lifa Pant - Base layer - Men's

-5% Extra - Code Spring5

Helly HansenLifa Pant - Base layer - Men's

VAT and custom duties included

HH Tech 1/2 Zip 2.0 - Base layer - Men's

-5% Extra - Code Spring5

Helly HansenHH Tech 1/2 Zip 2.0 - Base layer - Men's

VAT and custom duties included

HP 1/2 Zip Pullover 2.0 - Base layer - Men's

-5% Extra - Code Spring5

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

Fuseknit Comfort Long Sleeve - Base layer - Men's

-5% Extra - Code Spring5

CraftFuseknit Comfort Long Sleeve - Base layer - Men's

VAT and custom duties included

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

-5% Extra - Code Spring5

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

VAT and custom duties included

HH Tech Hoodie - Base layer - Men's

-5% Extra - Code Spring5

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

Seamless base layer tights - Base layer - Men's

-5% Extra - Code Spring5

CMPSeamless base layer tights - Base layer - Men's

VAT and custom duties included

Men's multifunctional Seamless stretch pants - Base layer - Men's

-5% Extra - Code Spring5

CMPMen's multifunctional Seamless stretch pants - Base layer - Men'sCHF 30,00VAT and custom duties included

HH Tech Crew LS 2.0 - Base layer - Men's

-5% Extra - Code Spring5

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

Seamless base layer tights - Base layer - Men's

-5% Extra - Code Spring5

CMPSeamless base layer tights - Base layer - Men's

VAT and custom duties included

Men's Seamless short sleeves underwear jersey - Base layer - Men's

-5% Extra - Code Spring5

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

SacconsM. - Base layer - Men's

-5% Extra - Code Spring5

MalojaSacconsM. - Base layer - Men'sCHF 125,00VAT and custom duties included

Men's seamless 3/4-length thermal pants - Base layer - Men's

-5% Extra - Code Spring5

CMPMen's seamless 3/4-length thermal pants - Base layer - Men'sCHF 30,00VAT and custom duties included

SacconsM. - Base layer - Men's

-5% Extra - Code Spring5

MalojaSacconsM. - Base layer - Men'sCHF 125,00VAT and custom duties included

SacconsM. - Base layer - Men's

-5% Extra - Code Spring5

MalojaSacconsM. - Base layer - Men'sCHF 125,00VAT and custom duties included

FedeM. Shirt - Base layer - Men's

-5% Extra - Code Spring5

MalojaFedeM. Shirt - Base layer - Men'sCHF 160,00VAT and custom duties included

FedeM. Shirt - Base layer - Men's

-5% Extra - Code Spring5

MalojaFedeM. Shirt - Base layer - Men'sCHF 160,00VAT and custom duties included

Symbio Merino Pants - Base layer - Men's

-5% Extra - Code Spring5

X-BionicSymbio Merino Pants - Base layer - Men'sCHF 160,00VAT and custom duties included

Mightywool Pants - Base layer - Men's

-5% Extra - Code Spring5

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

Mightywool Pants - Base layer - Men's

-5% Extra - Code Spring5

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

Mightywool Pants 3/4 - Base layer - Men's

-5% Extra - Code Spring5

X-BionicMightywool Pants 3/4 - Base layer - Men'sCHF 110,00VAT and custom duties included

Radiactor 4.0 Pants - Base layer - Men's

-5% Extra - Code Spring5

X-BionicRadiactor 4.0 Pants - Base layer - Men'sCHF 160,00VAT and custom duties included

Invent Fx Shirt LS - Base layer - Men's

-5% Extra - Code Spring5

X-BionicInvent Fx Shirt LS - Base layer - Men'sCHF 100,00VAT and custom duties included

Mightywool Shirt LS - Base layer - Men's

-5% Extra - Code Spring5

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

Invent Fx Shirt LS - Base layer - Men's

-5% Extra - Code Spring5

X-BionicInvent Fx Shirt LS - Base layer - Men'sCHF 100,00VAT and custom duties included

Invent Fx Pants - Base layer - Men's

-5% Extra - Code Spring5

X-BionicInvent Fx Pants - Base layer - Men'sCHF 95,00VAT and custom duties included

Invent 4.0 Lt Shirt Sh SL - Base layer - Men's

-5% Extra - Code Spring5

X-BionicInvent 4.0 Lt Shirt Sh SL - Base layer - Men'sCHF 70,00VAT and custom duties included

Invent Fx Pants - Base layer - Men's

-5% Extra - Code Spring5

X-BionicInvent Fx Pants - Base layer - Men'sCHF 95,00VAT and custom duties included

Invent 4.0 Lt Shirt Sh SL - Base layer - Men's

-5% Extra - Code Spring5

X-BionicInvent 4.0 Lt Shirt Sh SL - Base layer - Men'sCHF 70,00VAT and custom duties included

Invent Fx Pants - Base layer - Men's

-5% Extra - Code Spring5

X-BionicInvent Fx Pants - Base layer - Men'sCHF 95,00VAT and custom duties included

Heatloop Shirt LS - Base layer - Men's

-5% Extra - Code Spring5

X-BionicHeatloop Shirt LS - Base layer - Men'sCHF 160,00VAT and custom duties included

Heatloop Pants - Base layer - Men's

-5% Extra - Code Spring5

X-BionicHeatloop Pants - Base layer - Men'sCHF 160,00VAT and custom duties included

Energy Accumulator 4.0 Armadillo 3/4 Pants - Base layer

-5% Extra - Code Spring5

X-BionicEnergy Accumulator 4.0 Armadillo 3/4 Pants - Base layerCHF 235,00VAT and custom duties included

Energy Accumulator 4.0 Shirt LG SL - Base layer - Men's

-5% Extra - Code Spring5

X-BionicEnergy Accumulator 4.0 Shirt LG SL - Base layer - Men'sCHF 155,00VAT and custom duties included

Energy Accumulator 4.0 Pants 3/4 - Base layer - Men's

-5% Extra - Code Spring5

X-BionicEnergy Accumulator 4.0 Pants 3/4 - Base layer - Men'sCHF 159,00VAT and custom duties included

Energy Accumulator Light Shirt LS 1/2 Zip - Base layer - Men's

-5% Extra - Code Spring5

X-BionicEnergy Accumulator Light Shirt LS 1/2 Zip - Base layer - Men'sCHF 165,00VAT and custom duties included

Energy Accumulator Light Shirt LS - Base layer - Men's

-5% Extra - Code Spring5

X-BionicEnergy Accumulator Light Shirt LS - Base layer - Men'sCHF 155,00VAT and custom duties included

Energy Accumulator Light Shirt LS 1/2 Zip - Base layer - Men's

-5% Extra - Code Spring5

X-BionicEnergy Accumulator Light Shirt LS 1/2 Zip - Base layer - Men'sCHF 165,00VAT and custom duties included

Wool Mesh 190 Longs - Merino wool Thermal Tight - Men's

-5% Extra - Code Spring5

DevoldWool Mesh 190 Longs - Merino wool Thermal Tight - Men'sCHF 110,00VAT and custom duties included

1
2
3
4
5
6
7

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