Lithos SL Harness is a precision-engineered sport-climbing harness designed for alpine and rock activities. Product Type: Unisex lightweight climbing harness Material: Warp Strength Technology Weight: 275g Precision-engineered for sport climbing Next evolution in Warp Strength Technology balances support, comfort, and durability for repeat sessions Revolutionary sizing system lets you match waist and leg loop sizes to customise fit and waist-to-leg-loop ratio Pair it with a midlayer for cooler crag days, like a men's hiking fleece or women's hiking fleece . Dynamic, light, and precision-engineered for sport climbing, the Lithos SL Harness feels almost weightless whether you're warming up or going for the redpoint. Featuring the next evolution in Warp Strength Technology, the Lithos SL strikes the perfect balance of support, comfort, and durability, meeting the demands of the most committed sport climbers, session after session. Plus, with a revolutionary sizing system, you can customize your fit like never before, dialing in the perfect waist-to-leg-loop ratio for all-day comfort. Size and fit tip: The Lithos SL introduces our new harness-sizing system—just match your waist and leg loop sizes from the chart to customize your perfect fit. Lithos SL Harness sizing chart Your body measurements in centimetres: Size Range Waist Thigh Size 1 64.5 - 72 50 - 54 1-A 1 64.5 - 72 51 - 55 1-B 2 71.5 - 79 50 - 54 2-A 2 71.5 - 79 54 - 58 2-B 3 78.5 - 86 53- 57 3-A 3 78.5 - 86 58 - 62 3-B 4 85.5 - 93 57 - 61 4-A 4 85.5 - 93 62.5 - 66.5 4-B 5 92.5 - 100 61.5 - 65.5 5-A 5 92.5 - 100 68 - 72 5-B 6 99.5 - 107 67 - 71 6-A 6 99.5 - 107 68 - 72 6-B Note: Size ranges are guidelines only and will vary with the type of clothing worn during measurement. Harnesses fit differently on different individuals even when measurements are the same sizes and are based on actual body dimensions.