Castelli Insider Sleeveless JerseyMade to enhance your own body cooling systems, the Castelli Insider Sleeveless Jersey is made for the heat and sweat of even the most intense of your indoor training sessions. With the advancement of indoor technology, clothing has had to catch up to the unique demands of this tough and sweaty cybersport workout and racing style. The Insider Sleeveless Jersey has a number of features that ensures it excels at keeping you comfortable. Firstly the Insider Jersey weighs next-to-nothing, tipping the scales at a barely-there 52 grams. Next, the 3D mesh allows maximum airflow to the body while also spreading sweat over a larger surface area. Turn your electric fan to high and enjoy the cooling effect of quicker sweat evaporation. While the Insider won't make your session swweat-free, excess sweat that does pool on the skin is quickly wicked away too, preventing any discomfort.With its HEIQ Fresh Tech silver free odour control treatment you can also be sure even the toughest of training sessions won’t leave a nasty smell. There's are also a rear pocket, handy space to stash a gel or two or your music player. Features:Materials: 93% Polyester, 7% Elastane3D Mesh lightweight wicks moisture and dries quicklyHEIQ Fresh Tech silver free odour control treatmentSemi open mesh allows maximum air flow without becoming too transparentRear pockets for stashing whatever you needWeight: 52gSuggested Temperature range: 20 to 40 degrees CBuy Castelli Clothing from Chain Reaction Cycles, the World's Largest Online Bike Store.