3.17 oz., 88% nylon, 12% spandex;A clean and sophisticated version of the classic letterman; Contrast cuffs on the neckline, sleeves, and bottom of the jacket are reminiscent of the collegiate look, while the oversized fit and inner pockets make it a great outer layer to throw over your outfit in the gym, after class, or on the go; Over the past 4 years, Glyder has partnered with Eden Reforestation Projects to restore forests on a massive scale by planting trees in various nations around the world;