Our arm sleeves are designed to protect your arms from the sunlight (block solar radiation).
1 Pair/Set of Certified UPF 50 Sun Protection (Blocks 99% of The Sun's harmful UVA/UVB Rays).
They are made of elastic micro fiber that allow maximum breathability, 90% polyester 10% spandex.
The Fabric was designed to wick (draw humidity away from the body and expel it).
No fade or lose elasticity.