The Schiek Model 1136ES Elbow Sleeve supports the elbow and is made with breathable neoprene which is washable and expels moisture. The sleeve is made with reinforced stitching. Made with pride in the USA. For sizing, measure around your flexed bicep:
< 12" = Small
12" - 14" = Medium
14" - 16" = Large
16"-18" = Large/XL
18" - 20" = X-Large
> 20" = XX-Large