The Conform'able Transfoam Liner is compatible with every boot making it a superb choice if you have a unique foot shape or you want to ensure you have a comfortable fit with superior performance. New foam liners are no longer for the racer/high performance skier, after 5 years of R&D the new PU Transfoam liner, provides a great blend of comfort and performance suitable for every skier. These liners must be fitted by a technician in store.