Adidas Golf Arm Cover COLD.RDY Reversible Neck Warmer for Women, White/Semi-Flash Aqua Material Composition 100% Polyester A muffler that uses "COLD.RDY" for a new dimension of heat retention. By using soft fleece with excellent heat retention and moisture absorption on the skin side, it enhances heat retention and actively wicks away sweat to prevent cold sweat. The outer side features a 3-stripe design embroidered, and the reversible side features an embossed ADIDAS logo. This item can be used with different looks on each side.