The outsole is made in natural rubber with 15-20 nitrile. The side are stitched with kevlar thread, to enhance bond strength between upper outsole. The rubber material can pass 300 hot resistant HRO test, and can pass SRC slip-resistant test.
The outsole is made in natural rubber with 15-20 nitrile. The side are stitched with kevlar thread, to enhance bond strength between upper outsole. The rubber material can pass 300 hot resistant HRO test, and can pass SRC slip-resistant test.