1.Made of advanced Lycra material, Breathable, High elasticity, No pilling.
2.In summer definitely feel cool with these sleeves and in winter, you'll stay warm. 99.8% UV Protection. Fast sweat wick and fast dry, keeps your skin feeling fresh all day.
3.Promotes faster muscle recovery and blood circulation. 
4.The cuff mouth anti-slip strip design prevents slipping.
5.Reflective Logo on the armband makes you more safer at night.