5.11 Crew 6 Inch CST | Rustic Brown | 1820043

Built for Long Shifts. Proven Under Pressure.

The 5.11® Crew 6 Inch CST is engineered for demanding work environments where protection, durability, and comfort can’t be optional. From industrial job sites to barnyard and ranch conditions, this boot pairs industrial-grade leather with lightweight safety technology to keep you protected and focused through long shifts and unpredictable terrain.

• Lightweight Carbon Protection – 5.11® Carbon Tac safety toe delivers ASTM-rated protection without the bulk of steel.
• Industrial-Grade Leather Upper – Full-grain cow leather is chemical resistant, flame retardant, and breathable for hard-use environments.
• Reinforced High-Wear Zones – Rubber toe protection adds durability where abrasion hits hardest.
• All-Day Comfort System – Ortholite® insole, breathable tongue construction, and cushioned Achilles collar support extended wear.

• Lightweight safety toe
• All-day cushioning comfort
• Breathable leather build
• Slip-resistant traction
• 5.11® Carbon Tac Safety Toe – Tested to ASTM F2413-24 I/75 C/75 EH for impact, compression, and electrical hazard protection.
• Industrial-Grade Leather – Tested to SPR (Superior Performance Ranchwear) / Barnyard ISA014-2016-A0 and NFPA 1977 fire resistance standards.
• Ortholite® Comfort System – High-rebound foam in the insole and Achilles cuff provides lasting comfort over long shifts.
• Slip- & Oil-Resistant Outsole – ASTM-rated rubber outsole delivers reliable traction across unpredictable surfaces.