Head Raptor 90 RS Ski Boots - Women's: Stuffed to the cuffs with race technology the Raptor 90 RS W is engineered to supply speed demons with the superior power transmission and unmatched level of comfort that wins races. FIS approved, the boot also features plenty of custom features including a moldable HeatFit Pro Liner, Race Flex Tuning and Micro-adjustable Alloy Buckles, putting the wearer firmly in the drivers seat. SPEED:fast TERRAIN: versatile, piste and off-piste SKILL:Experts STYLE:very good skiing technique FEATURES: Last: RS 1800cc Shell: PU - KR Cuff Liner: Women's HeatFit Pro, HP frame footbed, 40 mm velcro strap Buckles: 4 micro-adjustable alloy buckles, Low profile buckles Features: Flex tuning, Racing double canting, FIS approved sole thickness, Race balance TECHNOLOGIES: RAPTOR TECHNOLOGY: Combining the Double Power Booster Velcro and the revolutionary buckle concept, the Raptor Technology allows our athletes more dynamical response of the boot, more precise transmission and faster ski reaction.