The 8mm Custom Fire has revolutionized frigid-water warmth and performance with Solite's unmatched light-weight and renowned barefoot feel. While regular neoprene cold-water boots have a spongy, sloppy feel underfoot, our heat-moldable Thermofoam Sole and secure 360-Wrap Strap gives you a direct connection to your board with zero delay in response. Perfect fit equals instant response and comfort, and the Round-Toe design insures all toes touch each other for maximum warmth. The Thermofoam Sole is 8mm thick in the toes/heels for extra protection and 7mm elsewhere.