Carhartt FRS160-DWT - FR Button Down Shirt Size:MT Duratread™ outsole provides maximum wear

Duratread™ outsole provides maximum wear resistance and flexibility

Sole: Injected leather soles

But really

Foot Brown Leather

Duratread Outsole

Carhartt FRS160-DWT - FR Button Down Shirt Size:MT Duratread™ outsole provides maximum wearDetails: Carhartt's flame resistant work dry lightweight twill shirt is a comfortable choice on warmer days. Offering an original fit and made of 6 ounce, FR twill 88 percent cotton 12 percent high tenacity nylon, this shirt provides a button down collar with button closure, FR melamine buttons throughout, two chest pockets with flaps and button closures, extended sleeve plackets with two button adjustable cuffs, has the Carhartt FR and NFPA 2112 HRC