Call US 1-800-569-8411

Base layer bottoms, men's

Phase SL Brief, men's, 2017by Arc'teryx$27.00$39.00Weight (oz): 1.4Phasic™ SLMoisture-wicking, Breathable, Lightweight, Quick-drying
Microweight Boxer Brief, men's, 2012by Smart Wool$30.65$32.25Weight (oz): 3.796% Merino Wool, 4% ElasteneEmbossed elastic waistband and Coats Seamsoft thread on flatlock internal seams for increased comfort
Phase SL Boxer, men's, discontinued colorsby Arc'teryx$33.00$45.00Weight (oz): 2.3Phasic™ SLMoisture-wicking, Breathable, Lightweight, Quick-drying
Phase SL Boxer, men's, discontinued Spring 2018 colors
Phase SL Boxer, men's, discontinued Spring 2018 colorsby Arc'teryx$45.00Weight (oz): 2.3Phasic™ Technology, Phasic™ SL—100% polyesterMoisture-wicking, Breathable, Lightweight, Quick-drying
Midweight 250 Bottom, men'sby Smart Wool$65.00$95.00Weight (oz): 7.8100% superfine merino Heaviest line for alpine environments and cold temps.
Phase AR Bottom, men'sby Arc'teryx$79.00Weight (oz): 4.9Phasic™ AR, Phasic™ SLMoisture-wicking, Breathable, Quick-drying
Rho AR Bottom, men'sby Arc'teryx$125.00Weight (oz): 7.8Polartec® Power Stretch®Warm thermal base layer appropriate for slower-paced activities in cold temperatures