5.11® Speed 4.0 8" Side Zip Boot

Built for Speed. Ready for Duty.

Whether you're chasing leads or responding to calls in extreme conditions, the Speed 4.0 8" Side Zip Boot delivers the comfort, durability, and tactical edge you need to stay one step ahead.

Crafted with a polishable leather and nylon upper, this boot blends professional appearance with rugged performance. The YKK® side zipper with Velcro® tab allows for fast, secure on/off, while the high-abrasion mesh tongue boosts breathability during long hours on your feet.

Force Foam® heel cushioning and an Ortholite® footbed provide all-day support, while the 5.11® Heat Deflect insole layer protects against radiant ground heat—keeping your feet cool when the pressure rises. An ASTM-compliant slip- and oil-resistant outsole ensures solid footing on unpredictable surfaces.

Features:

• Polishable leather and nylon upper for durability and uniform-ready appearance
• High-abrasion mesh tongue for enhanced airflow
• YKK® side zipper with Velcro® zipper tab for easy entry and exit
• 5.11® Heat Deflect insole layer shields against ground heat
• Force Foam® heel cushioning for impact absorption
• Ortholite® footbed for breathable, long-lasting comfort
• ASTM slip- and oil-resistant rubber outsole

When every second counts, the Speed 4.0 8" Side Zip keeps you moving—fast, focused, and mission-ready.