Enjoy effective moisture wicking and warmth in the mountains with this midweight next-to-skin or lightweight mid-layer. The fabric's hollow core yarn construction provides an excellent warmth to weight ratio. FEATURES Hollow core yarn construction provides excellent warmth/weight ratio Zippered chest pocket Average Weight: 208 g Average Weight: 208 g We say - wear this as a next to skin layer in very cold conditions or as else use it as a flexible, light midlayer through the rest of the season.