BDX8" WATERPROOF SIDE ZIP BOOT running shoe It's built for comfort with JCH180392Z^3^M 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 Cast metal hardware with dual purpose top hook Suit up with the BDX8" Waterproof Side Zip Boot and experience a new level of comfort and performance this boot is fully equipped for action with full grain leather