Consider this the impact protection of choice for the new generation of sailor. D3O®'s phenomenal technology outperforms soft foams of the same thickness by up to six times. Intelligent molecules flow with you as you move but lock together on impact, absorbing its energy, so you don't feel a thing. Place these D3O® T4 Limb pads in the shin of Musto wetsuits and garments for incredible, cutting-edge protection. Sold as a pair.