The Dakine Vegas DLX is a fanatic hardshell seat harness. the Vegas DLX is comfortable and supportive not only great for beginners kiteboarders, but for any racer looking for stability at high speed. Spreader bar are SOLD SPARATELY**SizingXS= 28-30" [ 71-76cm ] SB= 8" [ 20cm ] SOLD SEPARATELYS= 30-32" [ 76-81cm ] SB= 10" [ 25cm ] SOLD SEPARATELYM= 32-34" [ 81-86cm ] SB= 10" [ 25cm ] SOLD SEPARATELYL= 34-36" [ 86-91cm ] SB= 10" [ 25cm ] SOLD SEPARATELYXL= 36-38" [ 91-96cm ] SB= 12" [ 30cm ] SOLD SEPARATELYKEY FEATURESCurv composite flex shellAdjustable spreader bar height8-Point load dispersion systemEVA foam lumbar pad