Re-Optimum Sweatpants allitem Removable insulated back pack

Removable insulated back pack

Detachable chin strap offers secure wear when needed

Any items stored inside remain accessible while carrying it on the back

and KODENSHI fibers

Re-Optimum Sweatpants allitem Removable insulated back packFeatures 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. Fleece lined sweatpants finished with a soft pile fabric