• Vented High-Density Polyethylene (HDPE) shell designed with five raised channels running across the top for strength, and an extended back area for extra protection
  
• EPS (Expanded Polystyrene) liner helps absorb impact
  
• Unique "3D Adjustment" provides a precise fit using harness depth settings unlike any other hard hat on the US market today
  
• Revolution Wheel Ratchet is easy to use and creates a firm comfortable fit
  
• Includes a 4-point cross-over chin strap with quick release buckle that is adjustable for a safe & secure fit
  
• Chamlon sweatband
  
• Meets ANSI/ISEA Z89.1, Type I requirements, Class C requirements
  
• Added impact benefits as outlined in the EN12492 - Mountaineering Standard
  
• Packed ready-to-wear with no installation of the suspension required
  
• Universal accessory slots accepts virtually any helmet
  
• EVOSpec compatible

The EVO 6100 Ascend Safety Helmets are the latest edition to the head protection line from JSP. The EVO 6151 Ascend includes an integrated 4-point adjustable chinstrap with quick release buckle and an EPS (Expanded Polystyrene) liner that absorbs vertical, frontal, lateral, and dorsal shock for hazards that may occur when working at heights.