Description of ThirtyTwo Prime Snowboard Boots The Prime is unquestionably one of the most dominating snowboard boots ever. Featuring new technology in lacing, fit, flex, comfort, cushioning and the most customizable power-wrap system to date. The evolution of snowboard boot technology has come full-force. Features: Power wrap system forefoot cage for ultimate lacing Tongue tension system for leverage, easy lacing and improved heel hold Articulating cuff for improved fit, heel hold and smooth flex 3-D molded tongue wraps your foot for easy lacing and improved fit Fit system heel hold kit for next level custom fit Inner ankle harness for secure inner lacing STi evolution foam midsole with system G2 cushioning Level 4P fit system liner with power cuff reinforcement Level 3 fit system footbed with support frame and system G2 cushioning Equipped with the Recco rescue system