Features of the Burton Men's Ruler BOA SnowBoard Boot More riders with time-honored Tech, comfort, and Performance, now featuring the dialed Fit of the Dual zone boa system featuring coiler Technology Legacy of pushing personal skills to the pro level, the Burton ruler boot is the boot for stepping to larger drops and burlier Features Riders seeking ion-level Performance but lack the loot Dual zone boa system featuring coiler Technology allows for quick forefoot and Upper boot adjustment with a simple twist of the dial, and the long lasting Performance of Burton-exclusive new england rope laces with the boa guarantee 3M Thinsulate Insulation in the liner and the added warmth of our sleeping bag heat-reflective foil defies arctic blasts The medium flex powerup tongue resists breakdown, and maintains a steady ride from one day to the next Dual zone boa system featuring coiler Technology, powered by Burton exclusive new england ropes with the boa guarantee Imprint 2 liner with 3M thinsulate Insulation, with lock-up cuff, velcro closure, and man fur EST Midsole with sleeping bag foil, B3 gel in heel and recycled rubber content 1:1 Medium flex powerup tongue Total comfort construction, Snow-proof internal gusset, shrinkage footprint reduction Technology