The #172 features a protective kick guard to protect the leather, along with a defined heel to keep you stable while climbing and descending ladders. PU midsole/ TPU outsole highly resistant to hydrolysis and microbial attack. Removable xtreme comfort EVA footbed with XRD®Technology in the heel and forepart inserts providing great underfoot comfort. XRD®Technology in the heel strike zone for increased shock protection. Kickguard toe leather protection. Steel shank for maximum torsional stability. Wide fitting steel toe cap. Electrical shock hazard resistant. Available in the following sizes:  524907 Size 3, 524884 size 4, 524541 size 5, 524533 size 6, 524452 size 7, 524363 size 8, 524339 size 9, 524305 size 10, 524274 size 11, 524266 size 12, 524240 size 13, 524241 size 14.