Men's Biking Helmet Liner B Twin 700 designed for cycling in hot weather.
Aquafreeze fabric that once damp does not let water penetrate through its hydrophobic surface.\nYour skin remains dry, and as the water evaporates it lowers your skin's temperature by 5.4°F.
As water evaporates (from damp fabric) it lowers your skin temperature by 5.4°F.
Stretchy enough to fit different head sizes.
A lightweight product that's easy to wear in hot weather.
Main fabric : 60.0% Polyester cationic, Main fabric : 40.0% Polypropylene