Union Strata Snowboard Bindings 2024The Union Strata Snowboard Binding has been the #1 park and freestyle binding in the line due to its damping properties. The soft and surfy ride feel of the Strata is perfect for snowboarders looking to cruise the park or haul around the whole mountain without making their feet and knees unhappy. Strap into this great do it all binding and unlock your snowboard's true flex. Flex Rating (1 = soft, 10 = responsive) 6 Highback Strata Duraflex ST Flex