Skip to main content

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

(406)

Sort by

406 Results

Filter

Sports underwear

Men

Women

adidas

Assos

Berghaus

Black Diamond

Bogner Fire + Ice

BV Sport

Castelli

CMP

Columbia

Craft

Dale of Norway

Devold

Falke

Ferrino

GripGrab

Haglöfs

Helly Hansen

Houdini Sportswear

icebreaker

Karpos

La Sportiva

Maap

Maloja

Mammut

Millet

Mizuno

Mons Royale

Mountain Hardwear

Musto

Ortovox

Oxbow

Patagonia

Poc

Protest

Rab

Rossignol

Smartwool

Soar Running

Sportful

The North Face

Vans

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

Climbing

Trail running

Running

Skiing

Travel

Daily use

Bluesign™

Recycled

ZQ Merino

Origine Européenne Garantie

PFC-Free

Oeko-Tex

0% - 10%

10% - 20%

20% - 30%

30% - 40%

40% - 50%

+ 50%

T-shirt

Débardeur

Base layer

Thermal jersey

Collant thermique

Sous-vêtement thermique

Short

Long

Syears

No

Yes

Polygiene®

Polartec® Power Grid™

HeiQ Fresh

Breath Thermo®

Capilene®

LIFA® ACTIVE

Sort by

Carline Warm Tight - Merino wool Thermal Tight - Men's

MilletCarline Warm Tight - Merino wool Thermal Tight - Men's

VAT and custom duties included

Active Intensity Long Sleeve - Base layer - Men's

-5% Extra - Code Summer5

CraftActive Intensity Long Sleeve - Base layer - Men's

VAT and custom duties included

StaubachM. - Base layer - Men's

-5% Extra - Code Summer5

MalojaStaubachM. - Base layer - Men'sCHF 65,00VAT and custom duties included

Lifa Pant - Base layer - Men's

-5% Extra - Code Summer5

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 Summer5

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

VAT and custom duties included

Layer Merino 3/4 Tights - Base layer - Men's

PocLayer Merino 3/4 Tights - Base layer - Men'sCHF 100,00VAT and custom duties included

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

-5% Extra - Code Summer5

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

VAT and custom duties included

Suyen - Merino wool Thermal Tight - Men's

-5% Extra - Code Summer5

OxbowSuyen - Merino wool Thermal Tight - Men'sCHF 56,00VAT and custom duties included

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

-5% Extra - Code Summer5

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

VAT and custom duties included

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

-5% Extra - Code Summer5

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

VAT and custom duties included

Bazillac - Merino wool Thermal Tight - Men's

-5% Extra - Code Summer5

OxbowBazillac - Merino wool Thermal Tight - Men'sCHF 80,00VAT and custom duties included

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

-5% Extra - Code Summer5

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

Seamless base layer tights - Base layer - Men's

-5% Extra - Code Summer5

CMPSeamless base layer tights - Base layer - Men's

VAT and custom duties included

Expedition Arctic Pro Longs - Merino wool Thermal Tight - Men's

-5% Extra - Code Summer5

DevoldExpedition Arctic Pro Longs - Merino wool Thermal Tight - Men'sCHF 140,00VAT and custom duties included

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

-5% Extra - Code Summer5

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

Signature Merino 230 Zip - Merino Wool Jersey - Men's

-5% Extra - Code Summer5

DevoldSignature Merino 230 Zip - Merino Wool Jersey - Men'sCHF 150,00VAT and custom duties included

Endurance Merino Cover Zip - Merino Wool Jersey - Men's

-5% Extra - Code Summer5

DevoldEndurance Merino Cover Zip - Merino Wool Jersey - Men'sCHF 170,00VAT and custom duties included

Signature Merino 230 Shirt - Merino Wool Jersey - Men's

-5% Extra - Code Summer5

DevoldSignature Merino 230 Shirt - Merino Wool Jersey - Men'sCHF 130,00VAT and custom duties included

Endurance Merino Cover Zip - Merino Wool Jersey - Men's

-5% Extra - Code Summer5

DevoldEndurance Merino Cover Zip - Merino Wool Jersey - Men'sCHF 170,00VAT and custom duties included

Lauparen Merino 190 Base Shirt - Merino Wool Jersey - Men's

-5% Extra - Code Summer5

DevoldLauparen Merino 190 Base Shirt - Merino Wool Jersey - Men'sCHF 70,00VAT and custom duties included

Expedition Arctic Pro Hoodie - Merino Wool Jersey - Men's

-5% Extra - Code Summer5

DevoldExpedition Arctic Pro Hoodie - Merino Wool Jersey - Men'sCHF 190,00VAT and custom duties included

Breeze Plus Merino 200 3/4 Longs - Merino wool Thermal Tight - Men's

-5% Extra - Code Summer5

DevoldBreeze Plus Merino 200 3/4 Longs - Merino wool Thermal Tight - Men'sCHF 90,00VAT and custom duties included

Lauparen Merino 190 Base Shirt - Merino Wool Jersey - Men's

-5% Extra - Code Summer5

DevoldLauparen Merino 190 Base Shirt - Merino Wool Jersey - Men'sCHF 70,00VAT and custom duties included

Breeze Plus Merino 200 Zip Neck - Merino Wool Jersey - Men's

-5% Extra - Code Summer5

DevoldBreeze Plus Merino 200 Zip Neck - Merino Wool Jersey - Men'sCHF 110,00VAT and custom duties included

Carline Soft 3/4 Tight - Base layer - Men's

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

Carline Soft 3/4 Tight - Base layer - Men's

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

Tyri Knit Hoodie - Base layer - Men's

-5% Extra - Code Summer5

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

Tyri Knit 1/2 Zip - Base layer - Men's

-5% Extra - Code Summer5

Helly HansenTyri Knit 1/2 Zip - Base layer - Men'sCHF 85,00VAT and custom duties included

Tyri Knit 1/2 Zip - Base layer - Men's

-5% Extra - Code Summer5

Helly HansenTyri Knit 1/2 Zip - Base layer - Men'sCHF 85,00VAT and custom duties included

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

-5% Extra - Code Summer5

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

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

-5% Extra - Code Summer5

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

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

-5% Extra - Code Summer5

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

Symbio Merino Pants - Base layer - Men's

-5% Extra - Code Summer5

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

Mightywool Pants - Base layer - Men's

-5% Extra - Code Summer5

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

Mightywool Pants - Base layer - Men's

-5% Extra - Code Summer5

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

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

-5% Extra - Code Summer5

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

Mightywool Shirt LS - Base layer - Men's

-5% Extra - Code Summer5

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

Radiactor 4.0 Pants - Base layer - Men's

-5% Extra - Code Summer5

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

Heatloop Pants - Base layer - Men's

-5% Extra - Code Summer5

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

Heatloop Shirt LS - Base layer - Men's

-5% Extra - Code Summer5

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

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

-5% Extra - Code Summer5

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

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

-5% Extra - Code Summer5

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

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

-5% Extra - Code Summer5

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 Summer5

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

Latnja Wool 3/4 Pant - Merino wool Thermal Tight - Men's

-5% Extra - Code Summer5

HaglöfsLatnja Wool 3/4 Pant - Merino wool Thermal Tight - Men'sCHF 85,00VAT and custom duties included

Monviso Wool LS T-Shirt II - Base layer - Men's

-5% Extra - Code Summer5

VaudeMonviso Wool LS T-Shirt II - Base layer - Men'sCHF 100,00VAT and custom duties included

Monviso Wool Tights II - Base layer - Men's

-5% Extra - Code Summer5

VaudeMonviso Wool Tights II - Base layer - Men'sCHF 110,00VAT and custom duties included

Breeze Plus Merino 200 Longs - Merino wool Thermal Tight - Men's

-5% Extra - Code Summer5

DevoldBreeze Plus Merino 200 Longs - Merino wool Thermal Tight - Men'sCHF 100,00VAT and custom duties included

Weisshorn T-Shirt - Base layer - Men's

-5% Extra - Code Summer5

FerrinoWeisshorn T-Shirt - Base layer - Men'sCHF 65,00VAT and custom duties included

Weisshorn T-Shirt - Base layer - Men's

-5% Extra - Code Summer5

FerrinoWeisshorn T-Shirt - Base layer - Men'sCHF 65,00VAT and custom duties included

Weisshorn T-Shirt - Base layer - Men's

-5% Extra - Code Summer5

FerrinoWeisshorn T-Shirt - Base layer - Men'sCHF 65,00VAT and custom duties included

Sonic Hoody - Base layer - Men's

-5% Extra - Code Summer5

RabSonic Hoody - Base layer - Men'sCHF 70,00VAT and custom duties included

Merino 175 Everyday Leggings with Fly - Merino wool Thermal Tight - Men's

-5% Extra - Code Summer5

icebreakerMerino 175 Everyday Leggings with Fly - Merino wool Thermal Tight - Men'sCHF 86,00VAT and custom duties included

Wool40 Aero Pants M - Base layer - Men's

La SportivaWool40 Aero Pants M - Base layer - Men'sCHF 59,00VAT and custom duties included

Wool70 Tech Pants M - Base layer - Men's

La SportivaWool70 Tech Pants M - Base layer - Men'sCHF 79,00VAT and custom duties included

Wool30 Fuse Pants - Base layer

La SportivaWool30 Fuse Pants - Base layerCHF 89,00VAT and custom duties included

Synth Light Pants M - Base layer - Men's

La SportivaSynth Light Pants M - Base layer - Men'sCHF 45,00VAT and custom duties included

Silk Reflect 3/4 Pants - Base layer

La SportivaSilk Reflect 3/4 Pants - Base layerCHF 79,00VAT and custom duties included

Silk Reflect T-Shirt - Base layer - Men's

La SportivaSilk Reflect T-Shirt - Base layer - Men'sCHF 109,00VAT and custom duties included

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

-5% Extra - Code Summer5

CMPMen's seamless thermal base layer t-shirt - Base layer - Men'sCHF 26,00VAT 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

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

Our commitments

Our Footprint
Second hand
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