These 3mm neoprene slippersfrom Gul are equipped with a flexible sole and reinforced toe and ankle areas. Perfect for protecting your feet from sharp rocks and pesky weaver fish, the Strapped Power Slippers are crafted from a titanium II lined neoprene for outstanding warmth retention and feature a fully adjustable foot strap and elasticated pull toggle ankle adjuster for a personalised, secure, fit. Gul Unisex 3mm Strapped Power Slipper | Socks & Booties | George Fisher UK