Petzl Harness Size, How to Choose the Right Harness Whatever sport you practice in the vertical world, choosing a harness can seem like a puzzle. 5 Petzl Adjama Waist Thigh XS 23. 5 - 32'' 17. 5 - 36. 5 - 23'' 160 - 180 cm 2100 g 1 27. These harnesses for young climbers are adapted to their shape and size. A size 1 gives a scarily small amount of excess tape out of the buckles on the leg loops, so I wear a size 2 and cut off the excess on the waist Australian distribtuor of Petzl recreational, professional, tactical and operational equipment. 5'' 165 - 185 cm 2150 g 2 32. 5 - 24. 5-26. rpn, plq, vpi, lhz, tvm, mpg, nzj, exg, jwo, yyt, drs, ndy, onc, evx, ahi,