Mammut Aenergy ML Half Zip Pull Top - Mens Black Medium. It is made from medium-weight Polartec Power Grid material which keeps you warm is elastic and has a waffle structure on the inside that efficiently transfers moisture outwards. The Aenergy Pullovers smooth outer material means you can easily wear other clothing items over it. Its half-length zipper enables good ventilation. Flat seams ensure fewer pressure points and make the pullover really comfortable to wear a versatile mid-layer for all your activities. Specifications for Mammut Aenergy ML Half Zip Pull Top - Men's: Manufacturer: Mammut Length Alpha: Regular Sleeve Length: Long Age Group: Adults Apparel Fit: Athletic Gender: Male Application: Layering Quantity: 1 Fabric/Material: 89percent Polyester 11percent Spandex Sleeve Type: Long Sleeve Weight: 230 g Fire Resistant: No Reflective/High Visible: No Features of Mammut Aenergy ML Half Zip Pull Top - Men's Lightweight highly elastic Polartec Power Grid fleece with high breathability excellent moisture management and short drying time Package Contents: Mammut Aenergy ML Half Zip Pull Top - Men's Mammut 1016-01100-0001-114: Aenergy ML Half Zip Pull Top - Men's Black Medium