The Spyne concept creates an internal carbon structure throughout the blade that is stiffer than its surroundings. Resulting in a framework that stabilizes, controls and directs energy from your blade to the back of the net. * Spyne blade technology creates unmatched performance that must be seen to believe * Direct taper shaft design reduces slop, increases energy and accuracy * High Density blade combines high impact epoxy with micro-strands of carbon fiber producing unmatched blade action * Nipple grip coating * 5 Skin impact protection * 30 Day Manufacturer's Warranty