Bouldering, Steeps, Lead Climbing!
The first 15 Hours of Having them the Heel Cup will feel to Large Your heel will most likely not touch the bottom of the shoe. Don't Be alarmed! In just 3 sessions of 5 Hours the shoe will break in and gain Not only comfort but Function as well. These run very small due to the curve in the shoe, I wear a 10.5-11 in street shoes and the 11.5 fits me perfectly I don't feel as much pain as the climbers who cram and these shoes still get the job done! Not a Beginner shoe.