The Hirundos uses something called “Fuseframe” technology. A fancy word for a pretty straight forward idea. Instead of just adding padding around the structural strength of the waist belt Petzl splits the support with “thermo-formed foam” in a way that reduces pressure points and aids in weight distribution. It is extremely comfortable for a harness that weighs less than a pound! I also found the mesh to be breathable and quick drying even when the humidity was high.go to full review

Without question the first thing you will notice when holding this harness in hand is how unbelievably light it is. My size large weighs in at 10.5 ounces (or 294 grams) on my home digital scale. Manufacturer specifications indicate a size large is 300 grams (10.58 ounces), so I’d say the claimed weight is easily met! The only similar featured harnesses on the market in this category are the Arcteryx  FL-365 which weighs in at 365 grams / 12.9 ounces (size not given) and the CAMP Air CR ..." go to full review

I’m a bit of a skeptic of the “latest and greatest” gadgets in climbing but the Petzl GriGri+ has surpassed the GriGri 2 in so many ways. There is definitely a small weight/bulk penalty but the added durability will be a boon when this device is well suited for so many types of climbing. I would consider it a great choice for gym and sport climbing, traditional climbing, guiding, big walls (especially in the desert where aluminum wears quickly), camp and school groups, and for my growing..." go to full review