Salomon S/PRO Supra Dual BOA 115 combines a dual-zone BOA fit system with a heat-moldable Custom Shell HD to deliver precise lockdown and high-performance power transfer on the mountain. Key attributes: Multicolor | Black | Beluga Met | Beetroot Purple | Polyurethane | Heat-moldable Custom Shell HD | Power Spine for efficient energy transmission | GripWalk soles (ISO 23223) for improved traction | High-response performance (Flex 115) | Dual-zone BOA micro-adjustable dials | 45 mm Energy Z-ER power strap | Moldable My ExoWrap 4D Performance liner | Cuff adjustment | ExoWrap shell design | Anatomical liner shape | Overlap cuff construction | Dimensions & fit: Last width: 100 mm | Weight (pair): ~3,420 g | Last: 100 mm (medium volume) | Flex index: 115 (stiff) | Heat-moldable Custom Shell HD for personalized fit | Composition & care: Polyurethane (shell/cuff) | My ExoWrap 4D Performance textile liner | GripWalk rubber sole | Dual BOA lacing components