7-ply 100% North American Maple with Super Sap Resin Glue. Super Sap is the strongest eco-friendly resin formulated with recycled biobased rewnewable raw materials. Super Sap construction reduces energy use, emssions, and environmental impact. Packaged in a 100% compostable bag. Measures 8.375" x 31.8" with a 14.13" wheelbase and Medium Concave, Steep Kick.