thermal adaptive baffles adjust insulation based on activity level

Enjoy all day comfort for your feet with the ONYX 6Z Puncture-Resistant Work Boots. These boots feature a biomechanically engineered FLEX-TEC mechanism and are a great option for industrial, construction, and mining jobs.

Features Include:

• Lace up design
• Padded collar
• K-Guard - Steel Toe Protection
  
• Kevlar RKT - Reflective Kevlar Thread
  
• FLEX-TEC - Ankle Flex Mechanism
  
• YKK 10 Gauge Zipper
  
• CORDURA Comfort Collar
  
• D3O Lateral Impact Protection
  
• XTKicker- Heel Kicker Reinforcement
  
• TriTec - Innersole Foot Comfort System
  
• ShockGuard Pro - Shock Dispersion and Energy Rebound PU Midsole
  
• WELLMAX Puncture Protection
  
• ATX Grip - 300 HRO All Terrain Grip and Traction SRC Rubber Outsole
• Style code: K27999

Gusseted tongues block debris entry without compromising fit adjustability