The G4 is the burliest, most technically advanced boot that Simms has ever made.
- Abrasion-resistant textile mesh upper
- Vacuum molded TPU for even more durability
- 3D molded rubber toe cap
- 3D molded TPU heel
- Lacing through eyelets
- Lacing speed hooks to lock your heel in place
- Neoprene lined closed-cell foam interior
- Dual-density midsole for stability and comfort










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