FLX Thermo is used in all upper body panels to cut wind chill

True to the way most twin fin boards surf these will generate loads of down-the-line speed

5% polyester

Just strap and go

Our innovative Round Toe booties have the most durable sole on the market

O'NEILL 3MM Heat Socks Surf Boots COLOUR:BLACK FLX Thermo is used inKeep your toes warm and your feet cozy with the O'Neill Heat 3mm Socks. These socks are great for layering with round toed booties, keeping your feet toasty on the coldest days. You can also pair them with any type of swim fin in cool to frigid water to get a snug fin fit and warmer toes. Made with no sole or tread they will slide into booties or fins easily for an extra layer of insulation. O'Neill has always put their best foot forward when it comes