Men's Dockers Rockford Lace Up Boots Synthetic leather uppers. Comfort Zone Technology with three zones of comfort - A cushioned sponge EVA heel pad for added support, a fusion footbed in forepart to add an extra layer of dual-density cushion, and a latex footbed for exceptional long-lasting comfort. Durable rubber outsole. Updated rugged casual styling. Detailed stitching to elevate any look. Lace-Up.