Re-Optimum series developed for recovery using KODENSHI technology. This collection is loved by top athletes in various sports.
The KODENSHI technology is characterized by the long-lasting natural warmth produced by the wearer's own body temperature (far infrared rays emitted from the human body). It can ""keep warmth close to body temperature"" necessary to relax and stay comfortable. A long-sleeve T-shirt that achieves both functionality and comfort by using different knitting structures on the surface and skin.