This Czech Air Force Sweater beats the chills at any altitude. Use as an outer layer to take the edge off, or as a powerful mid-layer in the deep freeze. Wool blend holds in core temperatures, even when damp. 50/50 wool/polyacrylonitrile V-neck pullover with stylish vertical lines for a sharp military finish Front chest pocket with hook-and-loop closure Pen holder and divider pocket Reinforced cotton elbow and shoulder patches Rib-knit waist and cuffs lock out cold drafts