The Zone3 Heat-Tech Neoprene Swim Cap is the warmest piece of open water swimming headgear that we do. This really will prevent brain freeze, even during the coldest open water swim sessions. It's available in 3 sizes and has a 4mm smooth-skin neoprene construction. This offers a great level of wind resistance and the smooth-skin offers less resistance in the water.
The Zone3 Neoprene Swim Cap is a great choice for adding warmth to your head during the colder months. This cap is available in three sizes and two slightly different styles. It features a 4mm neoprene construction and an adjustable chin strap. The super stretch construction of the skull cap and the chin strap ensure for a comfortable and performance fit.