These RHS endorsed boots feature 4mm neoprene; these wellies can be rolled up, or down and worn as an ankle boot. The high-traction rubber outsole holds in muddy conditions, along with breathable air mesh lining keeping your feet cool on warmer days. 100% waterproof and fully lined, it s complete with a Comfort topline midsole, pull tab for easy on-and-off, RHS Endorsed and versatile, general purpose outsole.