This design of chest waders ensures that it is now so much easier to put them on or take them off due to the zip-up front. This has a breathable gusset to widen the garment. The neoprene is 4mm thick and very warming. The rubber boot has a cleated sole and steel shank. There is also a detachable neoprene chest pack for accessories, and the knees and seat are reinforced. Sizes are 8-11.