The lightweight, waterproof Womens ThermoBall Lace Up Waterproof Boots are secure-fitting winter boots with durable recycled ripstop uppers and warm ThermoBall Eco insulation Sole Unit| Rubber outsole for increased traction Waterproof DryVent membrane Non-PFC durable water-repellent (non-PFC DWR) finish for added water repellency ThermoBall Eco 100% recycled polyester insulation helps keep feet warm even when wet Collar bungee is adjustable to help prevent snow from getting in Synthetic mudguard helps keep out the elements Comfortable OrthoLite® Eco LT footbed made with 5% recycled rubber content and 8% plant-derived bio-oil instead of petroleum per ASTM-D6866-16 New without box Women's size 11