JSP EVO2 Vented Safety Helmet White

JSP EVO2 Vented Safety Helmet White

By JSP · Model: EVO2 · Site Equipment & PPE

EN 397 certified vented safety helmet with slip ratchet adjustment, the standard hard hat seen on UK construction sites.

  • EN 397 certified for industrial head protection
  • Ventilation slots reduce heat build-up during warm weather
  • Slip ratchet headband for easy one-handed size adjustment
  • Lightweight HDPE shell for all-day wearing comfort
  • Universal accessory slots for attaching ear defenders and visors
  • Available in multiple colours for site role identification
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Overview

The JSP EVO2 is the default hard hat on most UK construction sites. It meets EN 397, the mandatory European standard for industrial safety helmets, and the vented version keeps heads cooler in warm conditions. The slip ratchet adjustment lets you dial in the fit with one hand, even while wearing gloves, and the lightweight HDPE shell makes it bearable to wear all day.

In-Depth Look

Hard hats are a non-negotiable requirement on construction sites, and the JSP EVO2 is the one you will see most often. It is not the most advanced helmet on the market, but it meets the standard, fits well, and costs little enough to issue to every worker and visitor without hesitation.

EN 397 Compliance

The EN 397 standard covers protection against falling objects, which is the primary risk on construction sites. The HDPE shell absorbs and distributes impact energy, and the internal cradle harness keeps the shell away from your head to create a crush zone. This is not optional — site access on any professionally managed project requires EN 397 as a minimum.

Ventilation and Comfort

The vented version of the EVO2 has slots moulded into the shell that allow air circulation around the head. On warm days, this makes a measurable difference to comfort — unvented helmets trap heat and moisture, leading to headaches and fatigue by mid-afternoon. The trade-off is that vented helmets should not be used for electrical work or in environments where molten metal splash is a risk, as the vents create entry points.

Verdict

The JSP EVO2 is the hard hat that gets the job done for the vast majority of UK construction workers. It is EN 397 compliant, the ventilation helps with comfort, and the slip ratchet makes it easy to get a secure fit. It will not win awards for innovation, but it is the reliable, affordable standard that keeps heads protected on sites across the country.

Specifications
StandardEN 397
Shell MaterialHigh-density polyethylene (HDPE)
VentilationVented
AdjustmentSlip ratchet headband
ColourWhite
Accessory SlotsYes (ear defenders, visor)
LifespanReplace after impact or per manufacturer guidance

Who It's For

  • Construction workers needing EN 397 compliant head protection for site access
  • Site managers and supervisors issuing standard PPE to teams and visitors
  • Any trade professional working on sites that mandate hard hat use

Pros & Cons

Pros

  • EN 397 certified and universally accepted on UK construction sites
  • Ventilation slots make a noticeable difference in warm weather
  • Slip ratchet adjustment works easily with gloved hands
  • Very affordable and widely available for bulk purchase

Cons

  • Vented design means it is not suitable for electrical work at height
  • HDPE degrades with UV exposure and must be replaced periodically
  • Basic comfort level compared to premium helmets like the EVO3
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