Strategically placed stretch panels for playability Insulated panels keep your core warm Adjustable, insulated hood Four pockets including internal and external chest pockets 37.5 is chemical free and never washes out of the garment Advanced DWR The Colter Jacket, made with patented 37.5 premium insulation, makes you more comfortable by helping control your core temperature. 37.5 Technology removes moisture before it turns into sweat, helping you maintain an ideal core temperature so that you can perform your best. Strategically placed stretch panels provide freedom of movement. The overall result is a multi-use, comfortable, ultra-lightweight technical piece that is warm, without the bulk. Climate control clothing with 37.5 Technology has been proven to decrease the rate of core temperature buildup, increasing athletic performance by up to 26%. Whether you’re training, competing, or recovering, your performance depends on staying in your comfort zone as long as possible. Strategically placed stretch panels for playability Insulated panels keep your core warm Adjustable, insulated hood Four pockets including internal and external chest pockets 37.5 is chemical free and never washes out of the garment Advanced DWR Feather Light Quiet Stretch Thermal Windproof