K2 designed the Maysis to perform like a workhorse and fit like a glove, and its feature-forward design has it ranked as a perennial bestseller. It starts with a heat-moldable liner made of open-cell Intuition foam - allowing the liner to form to the exact shape of your leg, ankle, and foot for superior fit, warmth, and comfort. The secret to the award-winning fit is K2' sConda liner lacing system. Powered by a BOA Fit System dial, this forgiving and adjustable harness is designed to pull the user's heel into the boot's heel pocket. This urethane-based harness hugs your ankle and flexes naturally. Externally, we started with an articulating cuff to reduce distortion when bending the knee, and we've added an abrasion-resistant rubber compound for unrelenting durability. A high-powered BOA Fit System H4 Coiler closes the shell securely and can be done without removing your gloves. Lastly, to add durability and maintain the boot's flex over the boot's lifetime, | K2 Men's Maysis Snowboard Boots