FCS - SP2 - Reef Boot - 6/39 - Black
1.5MM 80% Neoprene/20% Nylon (body). 0.5MM Rubber in foot bed for flex where you need it. Ergonomically designed to offer supreme durability and protection. 1MM Rubber in critical areas of foot bed. Adjustable velcro strap for a supportive lock down. Back toggle for adjustable closure at ankle.