Topo Designs Ultralight Jacket Weighing in at just 3.1oz, the featherweight Ultralight Jacket by Topo Designs is one heavy hitter, it is windproof, water repellent, and hyper-packable. Made of 100% nylon micro ripstop (15 denier), the straight fit jacket offers the perfect travel insurance when you are out and about and want just a little lightweight protection from what mother nature throws your way. It offers an additional wind barrier on trail runs, bike commutes and cab dashes in a lightweight and packable layer. Unisex Product Information The Ultralight Jacket offers an additional wind barrier on trail runs, bike commutes and cab dashes in a lightweight and packable layer. Cuffed sleeves and hem keep the jacket close when the wind picks up, while a full hood offers maximum coverage. Product Features Elastic binding at cuff, hem and hood Extended collar Lightweight nylon micro ripstop Packs into an internal chest pocket Signature hang/dry loop Straight fit Wind resistant, with water repellent finish YKK zipper closure with webbing reinforcement