1mm Neoprene booster socks

Available in round toe or split Designed to wear inside all round-toe boots or swim fins, our new Round-Toe or split toe1mm Neoprene Heat Booster Socks boost warmth by 5-10 degrees F. Bottom line: longer sessions in frigid water, where you can focus on performing, rather than freezing. Tested by our top cold-water pros in slush-waves and water temps down in the low 30s, the 1mm Neoprene Heat Boosters utilize the same plush, quick-dry lining as our Custom Series boots. For extra durability against the front of boots or fins, the toe-seams feature external Tatex LSS (Liquid Seam Seal). Our 1mm Neoprene Socks are also quickly becoming a favorite as a swim-fin liner for bodyboarders, bodysurfers, and photographers, providing a comfortable buffer between feet and fins, and adding a bit extra warmth and protection.  But wait, there's more! The low-friction surface means your boots can be taken off/put on very easily. Since the Heat Boosters are independent of your boots, they can be rinsed/