How to Choose Base Layers

When it's cold outside, the men's Arc'teryx Rho Merino Wool base layer bottoms are your lightweight option for medium output. They add warmth, thermoregulate and feel soft and comfy next to your skin.
Imported.
View all Arc'teryx Men's Base Layer BottomsBest Use | Multisport Snowsports |
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Fabric | 240 g/m2 Mountain Merino wool: 95% wool/5% elastane; Chira 6.5 oz. (220 g/m2) stretch nylon interlock: 71% nylon/29% elastane (bluesign-approved material) |
Moisture Wicking | Yes |
Underwear Weight | Lightweight |
Inseam (in.) | 32.5 inches |
Gender | Men's |
Sustainability | Contains materials that meet the bluesign® criteria |
XXS | XS | S | M | L | XL | XXL | XXXL | XS Short | S Short | M Short | L Short | XL Short | XXL Short | S Tall | M Tall | L Tall | XL Tall | XXL Tall | 28 | 30 | 32 | 33 | 34 | 36 | 38 | |
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Chest | 33 | 35 | 37 | 40 | 43 | 47 | 51 | 54.5 | 35 | 37 | 40 | 43 | 47 | 51 | 37 | 40 | 43 | 47 | 51 | |||||||
Sleeve Length | 30 | 31.5 | 32.5 | 34 | 35 | 36 | 37 | 38 | 32 | 33 | 34 | 35 | 36 | 37 | 33 | 34 | 35 | 36 | 37 | |||||||
Waist | 27 | 29 | 31 | 34 | 37 | 40.5 | 44.5 | 48.5 | 29 | 31 | 34 | 37 | 40.5 | 44.5 | 31 | 34 | 37 | 40.5 | 44.5 | 30 | 32 | 34 | 35 | 36 | 38 | 40 |
Hip | 32.5 | 34.5 | 36.5 | 39.5 | 42.5 | 46.5 | 50 | 54 | 34.5 | 36.5 | 39.5 | 42.5 | 46.5 | 50 | 36.5 | 39.5 | 42.5 | 46.5 | 50 | 35.5 | 37.5 | 39.5 | 40.5 | 41.5 | 43.5 | 45.5 |
Inseam | 31 | 31 | 31.5 | 32 | 32.5 | 33 | 33 | 29 | 29.5 | 30 | 30.5 | 31 | 31 | 34.5 | 35 | 35.5 | 36 | 36 | 31.5 | 31.5 | 32 | 32 | 32 | 32.5 | 33 |
Measurements are stated in inches unless otherwise indicated.