Cozy Cap actually radiates low-frequency infrared, just like the sun, for a very gradual heating. Cozy Cap is also designed with electric conductive material to promote bio electric currency that stimulates head. This aids in circulation to help relax head and keep warm head without discomfort. 

Contents of outside: Rayonsilk 96%, Polyester with Far infrared rays 2%,                                                       Polyurethane 2%

Contents of inside: Acrylic with Copper Complex 18%, Nylon with Silver Complex 8%,                                 Cotton 71%, Polyurethane 3%