Made in Japan Ryuna Ryuna Unisex Hyoso (Ice Cool) Arm Cover with Thumb Hole, White Set of 2 CL06-SS Brand new, unused, and unopened ○ Material: 92% Nylon / 8% Polyurethane ○ Size: Total length 47cm ○ Covers the back of the hand ○ UPF50+ UV Care ○ Sweat-absorbent and quick-drying ○ The cooling sensation lasts semi-permanently without degradation from repeated washing. ○ Sustainable cooling sensation The high thermal conductivity material using highly absorbent nylon flat yarn and a flat knit structure provide a comfortable cooling sensation. It quickly absorbs even the slightest sweat from the body and the evaporative heat when the sweat escapes draws heat from the body surface, maintaining the cooling sensation. The fabric absorbs sweat more easily when it is in close contact with the body. Fitness, jogging, walking, cooling sensation, heatstroke prevention