Men's Base Layers
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Rho Merino Wool Crew Neck LS Men's
Lightweight Merino wool base layerRegular price $200.00Unit price / perRegular priceSale price $200.00 -
Rho Merino Wool Bottom Men's
Lightweight Merino wool base layerRegular price $200.00Unit price / perRegular priceSale price $200.00 -
Rho LT Zip Neck Men's
Lightweight Torrent™ zip-neck base layerRegular price $220.00Unit price / perRegular priceSale price $220.00 -
Rho LT Zip Neck Men's
Lightweight Torrent™ zip-neck base layerRegular price $220.00Unit price / perRegular priceSale price $220.00 -
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Rho LT Crew Neck Men's
Lightweight crew base layerRegular price $180.00Unit price / perRegular priceSale price $180.00Sold out -
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Rho LT Zip Neck Men's
Lightweight Torrent™ zip-neck base layerRegular price $200.00Unit price / perRegular priceSale price $200.00 -
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Rho LT Zip Neck Men's
Lightweight Torrent™ zip-neck base layerRegular price $200.00Unit price / perRegular priceSale price $200.00 -
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Rho LT Bottom Men's
Lightweight Torrent™ base layer bottomRegular price $160.00Unit price / perRegular priceSale price $160.00 -
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Rho LT Bottom Men's
Lightweight Torrent™ base layer bottomRegular price $160.00Unit price / perRegular priceSale price $160.00 -
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Rho LT Bottom Men's - Print
Microfleece bottom base layer for cool weatherRegular price $190.00Unit price / perRegular priceSale price $190.00 -
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Rho LT Zip Neck Men's - Print
Microfleece zip-neck base layer, cool weatherRegular price $230.00Unit price / perRegular priceSale price $230.00 -
Rho LT Crew Neck Men's
Lightweight crew base layerRegular price $200.00Unit price / perRegular priceSale price $200.00 -
Rho Merino Wool Zip Neck Men's
Lightweight Merino wool base layerRegular price $230.00Unit price / perRegular priceSale price $230.00 -
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Rho Merino Wool Crew Neck Men's
Lightweight Merino wool base layerRegular price $200.00Unit price / perRegular priceSale price $200.00
Lightweight Merino wool base layer
Lightweight Merino wool base layer
Lightweight Torrent™ zip-neck base layer
Lightweight Torrent™ zip-neck base layer
Lightweight Torrent™ zip-neck base layer
Lightweight Torrent™ zip-neck base layer
Lightweight Torrent™ base layer bottom
Lightweight Torrent™ base layer bottom
Microfleece bottom base layer for cool weather
Microfleece zip-neck base layer, cool weather
Lightweight crew base layer
Lightweight Merino wool base layer
Lightweight Merino wool base layer
Men's Merino Base Layers: Optimal Thermal Regulation
Cool on the way up, comfortable on the way down. Arc'teryx men's base layers bring the warmth without the sweat, featuring winter favourites like the Rho Merino Wool collection. Engineered for rigorous alpine ascents, ski tours, and cold-weather hiking, these technical layers deliver exceptional temperature control and moisture management directly against your skin.
Key Performance Features
- Moisture & Thermal Control: Advanced merino wool and technical synthetic blends actively wick perspiration while locking in core body heat during high-output winter activities.
- Natural Odor Resistance: Premium merino fibers provide built-in anti-odor performance, ensuring long-lasting freshness across multi-day backcountry trips.
- Ergonomic Mobility: Articulated tailoring and next-to-skin fits sit seamlessly beneath hardshell jackets and insulating midlayers without restricting movement.