Union Atlas Mens Snowboard Bindings Union Atlas bindings are compatible with Burton The Channel M6 snowboards Magnesium buckles are 4 times stronger than aluminum with only half the weight Multi-position toe straps offer an improved and updated fit for a wide range of boots 3D Direct-Connect ankle straps eliminate elasticity and evenly distribute pressure across feet and ankles for increased comfort and board control Multizone highbacks offer three different zones of flex for a transitional top-to-bottom flex, with the top third being the softest and the bottom third the stiffest