A latex free neoprene with terry plush lining makes this a very comfortable support. Full finger flexion whilst giving good circumferential compression and support to the wrist and thumb. The wrap is easily fastened using hook and loop closures. Fits either left or right hand and can be trimmed in areas for a custom fit. Size Wrist Circumference S Up to 17cm M 17 - 19 cm L 19cm +