Hot Chillys Men's Pepper Relaxed Fit Bottom Warmth Factor 7Base layering is a fundamental component to keeping warm and staying dry. This relaxed fit wicking underwear features the best moisture management and high tech fabrications. Whatever the season or activity, from snowboarding, climbing, skiing, snowshoeing, cycling, to running or indoor fitness classes at the gym, Hot Chilly's Thermals are the smart choice.Fabric:MTF micro spun polyesterFinish:Two layer knit for trapped air, creating warmth and comfort, Chilly seasoned for added moisture management, Soft knit feels like your favorite T-shirt.Flat seam construction for seam strength without abrasion, Plush back elastic waistband in bottoms, Warmth Factor = 7Pepper Double Layer:Designed to be as soft as your favorite T-Shirt, our double layer base layer has two layers of 100% MTF polyester knit to keep you warm and comfortable while managing moisture. The relaxed fit style is anatomically patterned to reduce bulk and allow ease of movement.Hot Chillys has revolutionized the ski market with performance ski ?warm wear? (base layer underwear) by incorporating fabric technologies previously found primarily in running apparel. We use technologies that include moisture wicking and moisture management, anti-microbial protection, and superior construction techniques. Each season we take new and updated fabrications and apply them to our performance apparel to offer the latest moisture management innovations.