Amazon.com | Drew Shoe Men。Drew® proudly presents the Boulder, a lower-cut version of the popular Rockford boot for men. The Boulder has double the added depth. Ideal for extra-thick orthotics, or extreme foot conditions. Waterproof leather upper and lining. And it\'s slip-resistant! All of these features makes the Boulder the ideal work or every-day shoe for men. 200 gm Thermolite® Stock # 40920 Plus Fitting System® - Two Removable Footbeds for Added and Double Depth Waterproof Leather Upper Removable, Moldable EVA Insert Dupont Thermolite® with Waterproof Membrane Lining Built-In Heel Cushion Tempered Steel Shank Slip-Resistant, Oil-resistant, Non-marking Rubber Outsole Accommodates Prescribed Orthotics