The Concept Combi boots are ideal for loppet racers wanting a single pair of boots for both classic and skate techniques. You can easily switch from classic to skate skiing without having to change boots. These boots can also be used as a very stable classic ski boot for those looking for extra ankle support during diagonal stride or for tricky descents. Comes with reliable lacing that fixes the foot in place, as well as a closing flap with a zip and Velcro, which protects against water or snow getting inside. SPINE NNN Combi (268) is made in a bright and memorable style, from high-quality, high-tech materials. Both inside and outside, from the protection and insulation against the cold, and for comfort and reliability. The boot-in-boot internal construction is designed to last. The composite insole is removable for faster drying between workout sessions.