Flow Rival Boa Snowboard Boots 2009: If it’s “Dress Like Your Favorite Historical Figure Day” on the mountain, then you probably shouldn’t wear Flow’s Rival Boa Snowboard Boots. These boots are on the absolute cutting edge of technology and engineering innovation. Equipped with Flow’s futuristic, patented BOA Coiler Lace System, the Rivals can be easily adjusted on the mountain without taking off your gloves. The Spacer System eliminates restrictive over-tightening, so you have all the support you need and none of the limitation. Flexible, multi-density outsole with molded midsole keeps your feet cradled in comfort. The Flow Rival Boa Snowboard Boots the future of riding technology. Plus, they’re great for intermediate riders who ride terrain parks and powder trails alike.