adidas City Tech Climawarm Men's Vest, Black JW1877. This adidas men's vest is perfect for everyday wear. Polyester construction with a hydrophobic coating reduces moisture absorption. Full-length zipper. Stand-up collar. Two side pockets with snaps for small items. Features a subtle brand logo. Climawarm technology retains heat and wicks away sweat. Standard fit. Specifications: Material: 100% polyester Filling: 100% polyester (synthetic down)