The Stay Covered SUP Day Bag has 1/4 in. closed cell foam under heavy duty tarpoline on one side and 600 Denier on the other! This Surfboard Bag also features a heavy duty zipper along the rail with rail zipper padding, nose and tail patches, a padded shoulder strap, velcro fin slot and an extra large accessory pocket! We truly have your board covered with our SUP Day Bag!