Billabong Wetsuits - Billabong Foil Round Toe Wetsuit Boots - 5mm :: Men > Wetsuits. Ideal for surfing in cold water above 10°C5mm thicknessRound toe surf bootiesTaped seams to avoid cold water from enteringCrafted from 100% SuperStretch Neoprene for comfort and flexibilityOptimum flex and grip with thinner rubber outsolePull on heel strap for easy access Size: UK 4,UK 7,UK 8,UK 10,UK 11,UK 12.