Stylish yet Comfortable. Size Chart The FXD Work Boots 4.5 Nitrolilite feature a debossed microfibre collar, medial zip entry, lightweight composite safety toe, and a NITROLITE™ midsole cushioning made of Nubuck, Microfiber, Urethane Mesh, and TPU. With a 62 durometer rubber outsole, 67 durometer green heel insert, Poron midsole insert, and PU footbed, these boots provide proper arch support and cushioning. The outsole also includes a side abrasion panel and a bump cap with an extra 1.5mm TPU in the heavy wear area for increased durability. Additional features include Ballistic high abrasion resistant thread on all stitching, a protective TPU heel kick panel, and YKK 10 coil zip for easy entry and smooth movement. The coated microfibre collar and Coolmax™ lining provide support, breathability, and moisture-wicking capabilities. The boots also include moulded upper eyelets Available in wheat, stone, black
