North End Men's Techno Lite Activewear Vest 100% Polyester 100% 240T Polyester, 2.7 Oz./Yd2/90 Gsm W/Water Resistant Finish. Lining: 100% Polyester Mesh. Piped Contrast Side Panels. Stretch Binding Finish On Armholes. Adjustable Shockcord At Hem.