Our Hydro-Tec surface is created by treating the rubber cover and creating a unique ribbed texture that allows a strong grip while wet, Deep set seams give you a little extra to hold on to! Regulation men"s size and weight, Circumference: 26, 8"" - 28, 0"", Weight: 14, 1 - 159 oz, Cover: Textured Rubber, Bladder: Butyl, Color: Yellow, SKU: TCKRA207