This is the base insulation grid fleece layer dedicated for wearing in conjunction with outer soft or hard shells or as separate layer. Lightweight and packable, the Alpha Jacket can be compressed and easily transported in a backpack or separate pouch, providing immediate warmth in low temperature conditions. Mesh lining improves pleasant handling and skin comfort. Material -100% Polyester. Full front neck-to-waist zipper with chin guard. Two bottom side slash pockets with zipper closure. Chest pocket with wiring eyelet. Elastic cuffs.