Curve Black Extra Wide Fit Extra Wide Fit Sock Chelsea Boots Fit & Fashion Notes: Add these on-trend sock Chelsea boots to your wardrobe. They feature a sock top line detail, elasticated panels for ease of fit, rounded toe, pull tab and a chunky cleated sole. Pair with jeans, a jumper and a coat to face the cold weather. Upper - 100% PU. Lining - 100% Polyester. Sock - 100% PU. Outer Sole - 100% Rubber.