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 heelcups 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+