Tech Alpine Jackets And Coats GreyDaiwa Pier 39 "Tech Alpine" sleeveless jacket in classic 40 denier nylon with soft, padded construction. Structure with horizontal seams and wide silhouette, featuring large flap pockets with front and side development. The wavy effect of the surface comes from the dye variation between warp and weft. Presence of two internal compartments and multiple pockets of different sizes that promote storage capacity. Solid color Large front and side flap