Here are the specifications for the Hammerking's shoes you're describing:
- **Brand**: Hammerking's
- **Series Code**: 13031 & 13032
- **Color**: Blacl Only
- **Size Range**: 5-11
- **Material**: Leather
- **Outsoles**: EVA (Ethylene Vinyl Acetate)
- **Features**: Anti-slip, oil-resistant, heat-resistant
- **Style**: 13032 (Lace-up)
13031 (Double zips)
These shoes seem to be designed for durability and safety, likely suitable for work environments where protective and slip-resistant footwear is necessary.