Arm sleeves material: made of 3 different materials for you to choose, namely, ice silk, knitted ice silk or modal material, soft and breathable, slow in sunshine warming up, cooler than bare skin, have good sweat absorbing ability
Cooling sleeves size: have large elasticity, approx. 37 to 50 cm in length, wrist circumference is approx. 16 to 28 cm, upper arm circumference is approx. 22 to 34 cm, one size fit most people
UV protection arm sleeves: arm sleeves can protect your arms from UV radiation in summer and prevent pulled muscle while doing outdoor activities, sports, etc.