Trapezoid shaped for comfort. Insulates knees and feet from cold water. Lightweight and durable. Weighs ~2lbs.
34″ long by 30″ wide at the top, decreasing to 24 1/2″ at the bottom. Trilaminate construction. Soft nylon face fabric (more comfortable than Cordura), comfy 5/8″ closed cell foam (thicker than other pads and doesn’t absorb water), and the stickiest non-skid rubber backing available (doesn’t slide even when wet).