Justin 11" Blueprint Work Boot Size:10.5D Compression molded Molasses EVA midsole integrated mini skinner Compression molded Molasses EVA midsole integrated with Twisted X patent pending CellStretch Moisture Wicking Textile Lining It's built for comfort with the J Max® Double Comfort System® that utilizes a mesh spacer foot bed cover that provides extra comfort and a healthy environment for the foot and the J Max® removable orthotic inserts with J Flex Flexible Comfort System® with Justin Jel® offers a multi density polyurethane foot bed including low density foam to cushion initial impact and provide energy return as you walk This boot also features the Dri Lex® cooling system that pulls moisture from the inside of the shoe