|Binding Mount Pattern||4x4, 2x4, Channel|
|Warranty||Limited Lifetime (Baseplates & Heelcups), 1 Year (All Other Parts)|
For riders looking for the performance of the Atlas at a price that’s nice, the STR maintains everything you would expect from our high end. Canted Stage 5 Base, TR16 Highbacks and NEW ExoFrame Ankle Straps make choosing the STR a no-brainer.
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