FCS SP2 Reef Booties. Extra lightweight boots for protection against rocks, reefs, and urchins. Features 1.5mm neo body with a tough, dual-traction 1.2mm rubber sole and split toes design. Perfect for surfing, SUPing, or for anytime you need some in-water foot protection. Includes tough flatlock seams, drainage holes, a velco foot-lock security system and toggle at heel. FCS.