The upper of these barracuda-gold colored wedge work boots is SPR leather. Due to the way the leather has been tanned, it has 3 times the strength and it's able to resist abrasions 2 ½ times better than traditional leathers. This Georgia work boot has been built to comply with the ASTM F2413 I/75 C/75 Protective Toe Classification and the ASTM F2413 Electrical Hazard Standard. If an object were to drop unexpectedly on top of your boots, the steel toe can withstand up to 75 lbs. of impact and compression. Goodyear welt construction enhances the durability and strength of this wedge work boot.