When you add the Bogner Fire + Ice Alexia Mid Layer Top you get extra warmth without much bulk The fabric helps you retain body heat while also breathing and wicking moisture to keep you dry Its also light and stretchy making it very comfortable when layered under a jacket The Fire + Ice Alexia has a sleek slim fit and reflective details for just a touch of shine 80pct polyester/20pct elastane fabric Lightweight Power Stretch material for comfortable fit and movement Breathable and moisture wicking to keep you warm and dry 1/4 zip for easy on/off Reflective details along zipper and piping Slim cut is tailored to the body Center back length measures 24