Size Chart:(Product Measurement)
S:Straps Length:13.8IN,Length:45.7IN,Length:8.3IN,Waist Size:23.2-38.6IN
M:Straps Length:13.8IN,Length:46.5IN,Length:8.7IN,Waist Size:24.8-40.2IN
L:Straps Length:13.8IN,Length:47.2IN,Length:9.1IN,Waist Size:26.4-41.7IN
XL:Straps Length:13.8IN,Length:48.0IN,Length:9.4IN,Waist Size:28.0-43.3IN
This data was obtained from manually measuring the product, it may be off by 1-2 CM