The "Sierra" hiker from Apex features high-tech, breathable uppers and open-air layered mesh linings to keep feet dry and healthy. Designed for rearfoot stability and forefoot flexibility, its has patented Apex orthotics, PRS insoles and special shock attenuating outsoles. Men's sizes 6½ to 13, 14 and 15 in one super-wide XW that fits all our widths. (Note: We suggest that 6E customers order ½ size larger than they usually wear.)