Rafters Men's Cabo Water Shoe 70% neoprene/30% rubber Imported Rubber sole Snug fitting water shoe. Neoprene uppers with mesh paneling and synthetic webbing for a supportive, breathable fit. Arch support. Textured rubber solid bottom outsoles protects feet from rocks and shells, provides traction on all types of surfaces. Quick-pull bungee lace closure system adjusts with cord lock in back for a snug, secure fit.