The Rockfish Neoprene Lined Walkabout Wellington Boots are handmade by our expert bootmakers and feature an adjustable calf. The 4-way stretch 4 mm neoprene lining is fitted throughout the boot, keeping your feet warm on cold days. Constructed from four layers of natural, first quality rubber, the boots provide strength, durability and support in key areas and are even resistant to horse urine. Based on hiking boot technology, the boots feature a composite rubber outsole, EVA midsole and a shock absorbing foam insole and foot bed. These extremely tough and durable boots are cleated for extra grip and feature an abrasion resistant rubber compound to the sole and heel. 12 month guarantee.