The Muck Boots Women’s Chore Adjustable Slip-On Tall Wellingtons are designed with neoprene bootie construction to keep your feet protected from muddy and wet terrains. Women prefer these adjustable full Wellington Boot because of the comfort it provides while keeping the feet warm all the time. The highlight of these boots is the Calf Fit which is adjustable to provide a secure fit., Ladies Adjustable Full Wellington Boot., Neoprene Bootie Construction for Comfort and Warmth., Adjustable Calf Fit.