evo.com | K2 Snowboard Boots > Estate wagons. Estate planning. K2 Estate Snowboard Boots. The luxury implicit in the name isn't bogus - the Estate blends the extravagance of Boa(R)'s Focus Fit System (Boa(R) inside and out), a toasty Intuition(R) Pro Foam liner with SpaceHeater(TM) technology to keep your feet warm, and a Vibram(R) RollSole outsole for walking ease and safety. 3D Formed Dual Density EVA Vibram(R) RollSole Outsole Designed for mobility, traction, and improved range of motion without compromising boot support. Intuition(R) SpaceHeater(TM) A liner designed for comfort and warmth, from start to finish. It features reflective heat blanket panels that work to trap heat in and keep cold out. These reflective heat blankets work alongside heat moldable Intuition(R) foam, internal J-Bars, and 3D molded, dual density EVA insoles to keep your foot comfortable and warm all day long. Flex Rating 6 (1 Soft - 10 Stiff) Reinforced PU Upper | Women's K2 Estate Snowboard Boots 2022 - 6 in Gray