The climbing harness for Tommy Caldwell fans. The SIRANA TC signed by the famous big wall climber Tommy Caldwell has the same features as our all-round alpine harness, the SIRANA with 28 mm Slide Block buckles. The new center fit construction offers sliding waist belt padding that can be centrally positioned and enables the harness to be optimally adjusted. The gear loops have also been modified. The new, enlarged form makes them easier to use and their soft material enables them to be compressed to a compact size when storing the harness. The new attachment points for ice screw carabiners are laminated and integrated into the waist belt. The new positioning of the buckles on the leg loops makes both these and the strap ends easier to use and positions the buckles in an area that exposes them to less abrasion. The slightly larger central ring with an HMPE-kernmantle construction improves wear comfort. The stylishly designed SIRANA is manufactured in an environmentally-friendly and resource-saving manner that complies with the strict requirements of the bluesign system.