Although it's in french, here's a size chart that tells waist, max hip size, and leg circumference.
OZ 37 Pro
Description
Designed for mountaineering and high-level racing, the OZ 37 pro is the no-compromise harness. Its high density foam provides ergonomics and optimum comfort in suspension. It is suitable for intensive use.
French and European manufacture.
Harness without buckle (patent)
The ratio of lightness / resistance / comfort make them high-performance harnesses in suspension and when walking. They grant the user total freedom of movement and act as a double skin to the point of being forgotten. These ultralight and compact harnesses are so compact that they accompany you in all your races in the mountains for maximum safety.
Features :
- Harness without buckle: waist adjustment with hook and loop
- Unique tie-in point with center guard, protected against abrasion, UV and wear
- Specific orange locator allowing carabiner or rope to work in the right direction
- Elastic adjustment of the thighs, which allows the belt to be held in position and more comfort in movement
- Elastic link thighs / belt detachable and sliding to have a balanced tension, greater freedom of movement and to be able to lower his pants while staying roped
- High density foam and yellow 3D mesh for better comfort on the skin and good ventilation
- Comes in a zipped pocket
Retail price
US$ 106.46
Price is a static conversion from
€87.55 EUR
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Weight (g) WeightIn grams, the weight, as stated by the manufacturer/brand. If there are differences in weight (due to multiple sizes or optional accessories) we'll list them here. The default weight is the middle-most size, often this is size M. | 193 g S : 183 g / 6.5 oz |
| Fit | Unisex |
| Sizes | S, M, L, XL, XXL |
Gear LoopsNumber of Gear LoopsGear loops are used to hold gear (quickdraws, cams, etc) onto your harness. 4 gear loops is most common. 
0 - 1 Gear LoopsMost often on full body harnesses or guide/gym style harnesses. 2-3 Gear LoopsMostly found on lighter harnesses made for [ski] mountaineering or high-end sport climbing where weight is a high priority. 4 - 5 Gear LoopsThe standard/most common number for climbing harnesses. Perfect for sport and trad. More Than 6 Gear LoopsDesigned for long multi-pitch and big wall climbing, found on harnesses made to hold the maximum amount of gear. Worth ConsideringOccasionally, the number of gear loops will change on a harness model depending on the size. There could be 7 gear loops for the med/large but only 5 gear loops for the xsmall/small. In this case we list the highest number for the filters, and then write an explanation on the product page like, “Size S/XS can only fit 5 gear loops.” | 4 Gear loops |
Ice Clip SlotsIce Clip SlotIce clipper slots are made to fit a carabiner that holds ice screws. These slots are generally only used by ice climbers but there is no disadvantage to having them on your harness. 
Less than 40% of harnesses will have ice clipper slots. And those harnesses will usually have 2 or 4 slots, often located next to, or between, the gear loops. | Yes, 1 |
| Belay / Tie-In | Tie-In |
| Waist Buckle Type | None |
| Leg Buckle Type | None (it stretches) |
| Drop Seat | Yes |
Haul LoopHaul LoopTrad climbers often look for a haul loop as they're intended to haul a rope (second line) or pack (while you climb the chimney). 
A haul loop can also hold shoes or other accessories. Although not the intended use, it is also commonly used to hold a chalk bag. | No (0kN) |
| Certification | CE, EN, UIAA |
| Size Chart | S |
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