Material: 94% Polyester / 6% Spandex This fast dry product with diamond structure has been a best selling, extra warm midlayer option for several seasons. Due to outstanding wicking and dry time performance. Features of this half zip jacket are a chest pocket with YKK zipper, ergonomic seams for a perfect fit, flat lock stitching, no shoulder seam for maximum wearing comfort, half Zip opening with YKK zipper, double lip zipper garage for optimal comfort and elastic sleeve cuffs.Regular Fit