Castelli Viva Thermo Headband

Using an old sweatshirt sleeve as a headband used to cut it AAA in 6th grade. Grow up, pull on the Castelli Viva Thermo Headband and join the ranks of the properly attired. CastelliAAAs Thermoflex fabric traps body heat to keep you comfortable when the temperatures start to drop, and the raw cut edge lies flat, even under a helmet.