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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. | 134 g XS: 128 g / 4.5 oz
S: 134 g / 4.7 oz
M: 140 g / 4.9 oz L: 146 g / 5.2 oz XL: 152 g / 5.4 oz
(weight converted from grams to ounces) |
| Fit | Unisex |
| Sizes | XS, 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, 2 |
| Belay / Tie-In | One Loop |
| Waist Buckle Type | Quick Adjust |
| Leg Buckle Type | Clip |
| 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 |
| Certification | CE, EN, UIAA |
| Size Chart | XS
Waist: 63-76 cm / 24.8-29.9 in Legs: 44-51 cm / 17.3-20 in S
Waist: 68-81 cm / 26.8-31.9 in Legs: 48-55 cm / 18.9-21.7 in M Waist: 74-87 cm / 29.1-34.3 in Legs: 52-59 cm / 20.5-23.2 in L Waist: 81-94 cm / 31.9-37 in Legs: 57-64 cm / 22.4-25.2 in XL (will fit the lower range of XXL)
Waist: 90-103 cm / 35.4-40.6 in Legs: 63-70 cm / 24.8-27.6 in (we converted centimeters to inches) |
This harness is divine for lightweight gear enthusiasts who are constantly trying to shave weight from their kit. It has all the features you need on any technical alpine route and nothing you don't. However, the major caveat is that this harness isn't comfortable for hanging. If you plan on doing long rappels or hanging from anchors for extended lengths of time, you'll wish you brought a more comfortable harness with more padding.
The Choucas Pro, though a featherweight harness, is surprisingly supportive and has all the features you’ll need for a big day in the mountains. One huge selling point was the real gear loops—not like the dental floss found on other ultralight harnesses. The harness packs down to peanuts and is breathable while moving fast on route, and its light weight encouraged me to pack it for long days of scrambling in the alpine. While no single harness will become your go-to for trad, hard sport, and alpine speed missions, the Choucas Pro does each task quite well.
How to use Blue Ice Harness, sizing precautions, care and maintenence with instructional pictures.
A pictoral representation of UIAA-105 and EN-12277 standards for harnesses.
The UIAA equipment standard provides a baseline for equipment performance in a test lab under controlled conditions on new equipment. Although these test conditions are relevant to the conditions encountered climbing, conditions encountered at the crags and the condition of the equipment are equally important. This recommendation from the UIAA member federation The British Mountaineering Council (BMC) provides vital equipment information that is NOT explicitly addressed in the standard, particularly failure modes of the equipment and recommendations for the use, inspection, maintenance, and retirement of equipment.
