The name says it all: the Butter Glove is Mountain Hardwear's lightest-weight liner that's silky smooth and buttery soft. Can be worn alone on a cold day when you need maximum dexterity -- but you'll find they make a great wicking liner. Seamless fingertips for greater dexterity. Features: Butter Polyester wicks moisture and insulates. Wear alone or use as a liner. Flat-lock construction for a seamless fit. Weight: 1.27 oz / 36g Materials: Body: Better Butter(TM) Jersey (89% polyester, 11% elastane)