Gore Bike Wear Oxygen Windstopper AS Light VestGore Bike Wear's Oxygen Windstopper AS Light Vest features Gore Windstopper technology to make this lightweight vest totally windproof and water-resistant, yet highly breathable. The shoulder region has partially covered seams for extra protection from the weather Packable, Extra VentilationThis sleeveless vest is packable and can be conveniently stowed in the front zip pocket enabling you to carry it with you if the weather changes. It features a full-length front zip with semi-lock slider for extra ventilation and reflective details to aid visibility in low-light Features:Material: 100% PolyamideReinforced hem for easier closure of the zipLight and Packable Gore® Windstopper® Product: Windproof, water repellent and highly breathableFront zip pocket doubles as a stow-away pocketElastic binding on edgesZip tags for easy openingZip under-flap and zip-portFull-length zip with semi-lock sliderErgonomically shaped collarReflective logo on sideReflective print on backReflective logo on front and backSleevelessTechnologies:Gore® Windstopper®: Products are totally windproof and deliver maximum breathability to keep you comfortable in cool and windy weather conditions. The totally windproof, yet extremely breathable membrane blocks the wind and allows vapour to escape. This combination of protection and breathability minimises the wind’s chilling effect while reducing the risk of overheating when you are active. A durable outer fabric treatment (DWR) provides you additional protection of water repellency Buy Gore Bike Wear Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.