Built for riders looking for the performance of the Atlas at a price that won't break the bank, the STR maintains everything you'd expect from our high end bindings. Canted Stage 5 Base, All-New STR highbacks, and ExoFrame straps make choosing the STR a no-brainer.
Flex - 5/10
A stiffer flexing binding that provides lots of support and stability for harder riding and big mountain riding, but sacrifices some of the forgiveness of their softer counterparts.
Stage 5 | Duraflex Duraflex material was specifically engineered to maintain consistent flex in a wide range of cold temperatures. Exclusive to Union for snowsports products.
Ext Thermoformed EVA Shock absorption saves your heels and promotes a true and even board flex.
Extruded 3D Aluminum Heelcups Designed for optimum heel hold and minimization of drag, Union 3D Extruded Aluminum heel cups are the strongest in the business.
STR2 | Duraflex Duraflex material was specifically engineered to maintain consistent flex in a wide range of cold temperatures. Exclusive to Union for snowsports products.
ExoFrame Ankle Straps Redesigned and upgraded, the all new ExoFrame Ankle Strap functions as a suspension system for your feet. Improved comfort and much lighter than before.
Ultragrip Toe Strap Multi-positional options and thermoplastic anti-slip material keeps you locked in and on point. Each version has differing amounts of material based on weight.
Aluminum Fast in and fast out - the new mechanism combined with Union aluminum is superior to any binding buckle eon the market = with the exception of Union magnesium.
Grade 8.8 Hardware The strongest steel available on the market, Union's use of Grade 8.8 represents a commitment to delivering the strongest and most reliable bindings on the market today.
Universal Disk 4x4, 4x2, Channel
Small - US 5-8
Medium - US 7-10
Large - US 10+