First layer plus size
Discover our selection of underwear for extreme cold from 3XL. These are tall boxers or long-sleeved T-shirts, perfect for wearing as a first layer under a winter sweater or ski pants. Their soft and stretchy fabric provides them with incomparable comfort and forms a cocoon of warmth around your body. Also available in fireproof, innovative underwear, ideal for working in oil and gas environments.
Showing 25-47 of 47 item(s)
Pantalons thermiques
Polyester inside for better moisture wicking
Pantalons thermiques
Very soft and comfortable merino wool for maximum warmth.
Maillots thermiques
Underwear designed to provide comfort throughout your day.
Pantalons thermiques
Very versatile thermal underwear, ideal for all professionals exposed to the cold
Men's thermal leggings
The ideal thermal base for working in the cold – warmth without compromising comfort
Maillots thermiques
Very versatile thermal shirt, ideal for all professionals
Women's thermal leggings
Stay warm with our thermal leggings.
Men's thermal leggings
Comfortable, designed to keep skin dry all day long.
Men's thermal tops
Seamless tubular knit: eliminates friction and pressure points under backpack straps.
Men's thermal leggings
Legs often lack insulation: a tight thermal base layer stops the cold from creeping in.
Men's thermal tops
The brushed inner face traps air to insulate immediately, designed for static outdoor work.
Men's thermal leggings
A flexible elastic waistband that avoids compressing the stomach under work trousers.
TEE-SHIRT FEMME
A fine, silky Supima® cotton jersey that slips under a roll-neck without bulk and never pills
Tee-shirt Homme
A fine, soft jersey that slips under a jumper without bulk and never pills at the elbows
Men's thermal tops
Thermal base layer H2X-DRY®, UPF 50+. Sport and everyday.
Women's thermal tops
Thermal base layer H2X-DRY®, UPF 50+. Sport and everyday.
Men's thermal tops
Dense thermal base layer, retains warmth, H2X-DRY®.
Men's thermal tops
Dense thermal base layer, retains warmth, H2X-DRY®.
Women's thermal tops
Dense thermal base layer, retains warmth, H2X-DRY®.
Women's thermal tops
Dense thermal base layer, retains warmth, H2X-DRY®.
Men's thermal tops
200gsm thermal base layer, H2X-DRY®, UPF 50+. All-season.
Thermal Underwear
Merino and bamboo top and bottoms: warm, dry and comfortable all day
Thermal Underwear
the base layer that stays dry from morning to night.
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