Radical Binding w-breathable-kit the Zero Tube is waterproof

the Zero Tube is waterproof with a IPX7 rating and fogproof with nitrogen-filled internal chambers

Fits Pack Size Volume: 41-54L

Keylock nose eliminates snagging

Sandwich Sidewall Construction: Wood core combined with ABS sidewalls in a classic Sandwich Construction for balanced flex and perfect rebound

Side Rails: Side rails cradle you in place and provide a tactile sense of the edge to minimize roll-offs and cold spots

Radical Binding w-breathable-kit the Zero Tube is waterproofThe Radical Binding has been a tried and proven all rounder on classic ski tours for years. It combines durability, comfort and user friendly handling. Whether your local mountain or a high alpine ski tour, the Radical is always a good pick. The Step In Side Towers make entry into the toe piece more than 30% easier. Meaning fast as lightening you are fully and easily ready to get going. At the same time, it increases lateral stability on the descent.