●Total comfort construction; boat tongue with snow protection ●Sleeping bag film; B3 gel in the heel ●1:1 PowerUp tongue with medium flex; Est midsole; Shrinkage technology for reduced footprint ●Dual Zone Boa System with Coiler Technology; Exclusive Burton New England Rope Laces with Boa Guarantee ●Imprint 2 inner shoe; 3M Thinsulate insulation; internal lock-up cuff for more heel support; Velcro Velcro fastener