evo.com | Nitro Snowboard Boots > Splitboarders, assemble! The Nitro Vertical TLS + Snowboard Boots are lightweight and super powerful, perfect for all your hard-charging backcountry dreams. Packed with all the right features, the TLS has a stiff flex, ultra-custom fit, and uphill-oriented construction that makes skinning, technical ascents, and even putting on crampons a breeze. Armored Spine Nitro uses an anatomically-shaped and 3D-molded heel reinforcement to provide even boot flex and long-lasting heel fit. Cloud 9 Liner Ultra-lightweight pre-molded Thermacell material creates a straight out of the box fit with unstoppable comfort. Nitro's signature latex heel pads provide lifetime heel fit, while the clutch tongue makes boot entry and exit easier. Flex Rating 7 - 9 (1 Soft - 10 Stiff) EVA Midsole Used on all boots with rubber outsoles, the EVA midsole reduces the overall weight and provides cushioning and thermal insulation. Speed Gaiter Keeping out the elements. | Nitro Vertical TLS + Snowboard Boots 2027 - 13 in Black | Rubber