A technical men´s Merino wool fleece mid layer, the Descender Long Sleeve Zip is designed for cold, aerobic days outside.Features:- Real Fleece™ Brushed Merino wool provides warmth without the weight for comfort next to-skin- Thumb loops keep your sleeves in place and hands warm- Offset shoulder seams to help reduce friction- Flatlock seams to help reduce friction- Zipper chin guard and interior storm flap to help reduce friction- Zippered hand and chest pockets- Merino pocket lining for added comfort- Drop tail hem for added coverage- Fit: SlimSpecifications:- Fabric main: Real Fleece™ Textured Brushed Terry, 84% Merino wool, 9% Nylon, 7% LYCRA®- Fabric insert side panels: Unbrushed Baby Terry Corespun, 88% Merino wool, 9% Nylon, 3% LYCRA®