A pair of technologically advanced bindings that are changing the free-heeled world one solid, insanely fast turn at a time. Switch your set-up to the super-sturdy & easy-to-use Scarpa (Rottefella) NTN Binding system when your telemark binders dont cut it on steep lines more Features Uphill mode disengages the tension for easy strides & features a flip-up heel piece for climbing steep skin tracks Select a large or small binding size to match your NTN boots size Colors correspond to the bindings adjustable power tubes, or springs, & should be selected based on ability, weight, age, & boot size White tubes are extra soft for beginners & older skiers with small boots Green tubes are a tad stiffer for more confident skiers with small boots or novice skiers with large boots Blue tubes are the standard for large boot sizes & full-fill the needs of most average-sized skiers that rip the resort Red tubes (sold separately) bring pro-level tension to the NTN for the heaviest skiers that huck & rip like a sponsorship deal is on the line Symmetrical binding allows switching between skis to keep edges sharp longer