Izzo dual stap that fits all right or left handed carry bags ergonomic design featuring contoured straps Quick, simple adjustments can be performed while the bag is being worn carries weight more efficiently, with more comfort than other dual straps. 3 sizes S/M (5' to 5.7' tall) , M/L (5.7' to 6.1' tall) and XL (over 6.1' tall).