Description Of Gnu Carbon Highbeam Magne-Traction Wide Snowboard Those who have big feet need to know that magic does exist. With the combination of Gnu Snowboard’s best selling line and Magne-Traction the hits just keep coming. Twin Sandwich construction and virtually maintenance free CX 2500 base offer a buttery smooth ride with seven contact points of its Magne-Traction keeping you and your board and your feet under complete control. Graphic by Tim karpinski. Features: Sandwich Biaxial glass Twin Mervin A.5 core Eiss5 CX 2500 base UHMW sidewalls Magne-Traction .75