Leather Upper. Padded Collar and Tongue. 4 Lacing Eyelets. Two speed lacing hooks for a secure fitment. Techni-Flex Sole. Conforms with ISO20345. Lining Material: Textile. Outer Material: Leather. Sole Material: Techni Flex ™ Rubber Sole. Fastening: Lace-Up. Safety Category Marking: SB-HRO-SRC. : Toe Protection to 200 Joules Impact. : Sole Resistant To High Heat up to 300° C. : Tested on a Ceramic Tile Contamination with a Dilute Soap Solution. : Tested on smooth Steel Contamination with Glycerol. Ref: UTFS923