SCARPA Maestrale RS Ski Boots Synthetic 20% stiffer and only 40g heavier than the current Maestrale Asymetric tongue provides precise power transmission Liner: Intuition Pro Flex RS Predator RS instep strap allows for increased stiffness in the tongue, and is easy to engage with gloves Weight: 1570g; 3lbs 7oz (1/2 pair size 27)