Check the listing for details. Mammot Focus Rock Climbing Harness Size S. Condition: Used. Listed at 40.00 USD. The Mammut Focus 12277 Rock Climbing Harness in size S is a high-quality harness designed specifically for rock climbing enthusiasts. It offers a secure and comfortable fit, allowing climbers to focus on their movements and techniques while scaling walls and cliffs. With Mammut's reputation for durability and performance, this harness is sure to provide the support and safety needed for challenging outdoor climbing experiences.