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Men's base layer topsview all (30)30 products

Algonquin Lightweight Crew, men'sby Minus33$18.00$54.99Weight (oz): 6.6100% 17.5 Micron Merino Wool, 170 g/m2 Jersey knit constructionFlat lock seams to prevent chafing
Microweight 150 Zip T, men'sby Smart Wool$29.25$53.80Weight (oz): 8.2100% superfine merino wool Zip-T collar for ventilation. Flatlock seam consrtuction eliminates chafing
Chocorua Midweight Long Sleeve Crew, men'sby Minus33$31.35$64.99Weight (oz): 11.1100% 18.5 Micron Merino Wool, 230 g/m2 Interlock knit constructionFlat lock seams to prevent chafing
PhD UL Short Sleeve, men'sby Smart Wool$31.60$69.95Weight (oz): 4.6Body: 56% Merino Wool, 44% Polyester Mesh: 54% Merino Wool, 46% PolyesterFlatlock seam construction designed to eliminate chafing

Women's base layer topsview all (6)6 products

Midweight 250 Pattern Crew, women'sby Smart Wool$55.35$105.00Weight (oz): 7.4100% Merino WoolMidweight crew with stylish pattern designs.
Jungfrau T-Shirt, women's
Jungfrau T-Shirt, women'sby Mammut$70.00Weight (oz): 3.5 Polartec® Power Dry®Strong, high elasticity, good moisture transport, quick-drying, anti-microbial
Midweight 250 Crew, women'sby Smart Wool$70.99$95.00Weight (oz): 7.1100% Merino WoolFeminine fit with set-in sleeves & shoulder panels to eliminate top shoulder seams
Phase AR Crew LS, women's
Phase AR Crew LS, women'sby Arc'teryx$75.00Weight (oz): 4.6Phasic™ AR, Phasic™ SLMoisture-wicking, Breathable, Quick-drying

Men's base layer bottomsview all (9)9 products

Microweight 150 Pattern Boxer Brief by Smart Wool$32.00$50.00Weight (oz): 2.8100% Merino WoolCoats Seamsoft thread on flatlock internal seams for exceptional smoothness and comfort
Microweight 150 Boxer Brief, men'sby Smart Wool$37.95$48.00Weight (oz): 3.596% Merino Wool, 4% ElasteneEmbossed elastic waistband and Coats Seamsoft thread on flatlock internal seams for increased comfort
Microweight 150 Bottom, men'sby Smart Wool$46.00$75.00Weight (oz): 5.5100% superfine merino Coats Eloflex thread at bottom hem openeings for increased durability
Midweight 250 Boot Top Bottom, men'sby Smart Wool$73.40$90.00Weight (oz): 6.4100% Merino WoolForm Fit - Natural Rise

Women's base layer bottoms4 products

Midweight 250 Pattern Bottom, women'sby Smart Wool$49.25$100.00Weight (oz): 6.7100% Merino WoolMidweight bottom with stylish patterns
Midweight 250 Bottom, women'sby Smart Wool$69.00$95.00Weight (oz): 6.7100% Merino WoolWide self fabric covered elastic waistband
Phase SV Bottom, women'sby Arc'teryx$69.00$79.00Weight (oz): 4.4Phasic™ SV (body) Phasic™ AR (panels)Heavyweight base layer for high output activities in cold temperatures