Patagonia Men's Capilene Midweight Bottoms are the most versatile baselayer, with the greatest comfort range. This Polartec Power Grid baselayer is durable and fast wicking for all around performance. The brushed grid back provides warmth and moisture management, while the smooth face makes for easy layering. There are hidden elastic thumb loops to hold the sleeves in place. 5.2 oz. 175g Polartec Power Grid 97% polyester 66% recycled, 3% spandex double knit construction. Polygiene permanent odor control. bluesign approved fabric. Durable and fast wicking. All around performance in a wide range of temperatures. Slim fit. Avg. wt. 193 g 6.8 oz..