SINGLE LAYER CONSTRUCTION The construction layer in itself is airtight and is about 0.5 mm thick from mesh and PVC. Lightweight. LAMINATED DOUBLE LAYER CONSTRUCTION It is cutting edge and the best that you can get, you start with the drop stitch of a single skin board and then a second layer is laminated directly to it. They are 20-25% lighter and 25-30% stiffer than those using a glued layer construction TECHNICAL SPECS Inflated Dimensions: 31.5″ W × 10′ H × 5.9″ D Capacity: 330 LBS (150 KG) Avg. Weight: 25.3 LBS (11.5 KG) Optimal Inflation: 22.5 PSI INCLUDES Carry bag Paddle board 3 fins Adjustable and dismantlable paddle Dual action pump Adjustable Velcro spiral leash Repair kit