the goddess of performance and comfort   . the nitro bianca tls is the official goddess of performance and comfort.the bianca is the most comfortable genuine leather boot nitro has ever designed and shines on all tasks in any terrain.nitro's bianca tls high-end women's snowboard boot combines a timeless genuine leather silhouette with the best that boot development has to offer, without neglecting the most important components, fit and comfort. if you're looking for superior heel hold, a comfortable fit, and top-notch technologies in a user-friendly package, the bianca boot was designed just for you.outer bootwith the help of the vibram® outsole made of icetrekâ„¢ and arctic grip vibram® compounds with d3o® shock absorption, the bianca offers you endless grip on any surface and cushions hard landings. linerthe women's cloud 10 liner with ortholite® triple density footbed and reflective therminator shield provide bombproof heel hold and warm feet regardless of the temperature outside.lacing systemgetting in and out of these beauties is a snap with the tls 5 twin lacing quick lacing system with re/lace liner locker and the new 45° solo lacegliders.