Lightweight and elastic arm warmer with brushed inside and ergonomic shape. Thin, lightweight and elastic fabric for freedom of movement. The ThermoCoolA(R) fabric is made of two high-tech polyesters and has a brushed inside offering superb thermoregulation in fair and cold conditions. Elastic silicone grippers keep the arm warmers in place. Ergonomically placed seams follow the moving body. Elastic seams in contrast color. Anatomically shaped reflective logo.