Fit is based on HEIGHT & BROADNESS. The ideal carrying position of the MoneyMaker is for the strap to fall about 4" below the armpit so the cameras stay high on the body. SMALL= Height of 5'7" (170 cm) and below (if you are broad/built then size up) I used this religiously for 2 years but I haven't been shooting much so it's time to sell off some gear please see the photos and videos for usage Made from Buffalo leather which is very sturdy and can last decades