5.11 Tactical Crew 6 Inch CST

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.

Features of 5.11 Tactical Crew 6 Inch CST

• 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.

Materials

• Upper Main: 100% Cow Leather, DWR Finish
• Upper Contrast: 60% Nylon / 40% Polyester
• Outsole: Rubber

Why You'll Love It

• Lightweight safety toe
  
• All-day cushioning comfort
  
• Breathable leather build
  
• Slip-resistant traction
  

Why It Performs

• 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.

Size Guide 

Click here to see 5.11 Comprehensive Size Charts