This DaKine Reflex Windsurf Harness features: Push button windsurf spreader bar, freedom shape spreader bar pad, adjustable spreader bar height, 8-point load dispersion system, ultra comfortable leg straps, internal load equalizer patches, low profile fit and two year limited warranty. Dimensions: XS= 28-30'' (71-76cm) SB= 8'' (20cm), S= 30-32'' (76-81cm) SB= 10'' (25cm), M= 32-34'' (81-86cm) SB= 10'' (25cm), L= 34-36'' (86-91cm) SB= 10'' (25cm), XL= 36-38'' (91-96cm) SB= 12'' (30cm). Material: Nylon.