Description of Salomon Foil Ski Boots '09 Advanced Shell Technology provides the lightest, most precise and tolerant shell. Paired with a comfortable liner, customizable in the shin area with a shock absorbing footbed, this boot is perfect for versatile freestyle. Features: Thermoformable foam on tongue for customized comfort Shock absorbing custom sole to avoid heel pain in hard landings Strap for consistent closure thus precision Bi-material PU shell Bi-material PU cuff Sensifit 20 My CF comfort liner Loop on tongue Advanced shell technology 4 micro titanium buckles New 3d buckles 1st tooth catch Single canting Adjustable spoiler Heel cushioning system Flex index: 80 Strap: 35 Last: 100 Weight: 4500