Flex: Medium flex that is stiff enough for the deep backcountry and flexible enough for those jib sessions; Outsole: Rugged Continental rubber outsole to grip snow and ice; Tongue: 3D moulded tongue, with classic Samba tongue top, for precise fit; Heel: Durable internal heel harness; Midsole: Lightweight EVA midsole; Footbed: Moulded footbed with odour-neutralising recycled coffee ground material; Spine: 3D moulded spine for added comfort; RECCO Rescue System: Built-in technology to increase chance of rescure in an avalanche burial; The RECCO Rescue System is not to be used in place of an avalanche transceiver; :: Men > Snowboard Boots Size: UK 07.