Description of Dakine Bobby Pro Traction Pad It's all about the compound! Dakine Posi Traction stays sticky and grippy in icy water and won't rub your knees raw in warm tropical water. Dakine's specialty formulated EVA foam retains its specific density and 100% memoru in any water temperature. Dakine uses only the best 3M PSA (pressure sensitive adhesive) ton insure that your pad will never peel off until you take it off. Only the best from Dakine. Features: Three piece pad 10mm center arch 25mm steep rolled tail kick 11.5" x 12.5" (29cm x 32cm)