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OnBuy.com£91.09Visit shop Jsp Evo Alta Skyworker Mountaineering-Style Safety Helmet Hard Hat - Black - Vented - Wheel Ratchet - All-Round High Impact Head Protection - Adjustab 5038428779593
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The JSP EVO ALTA Skyworker is a high-performance safety helmet engineered for professionals working at height and in demanding industrial environments. It is ideal for climbers, arborists, and construction workers who require all-around impact protection that exceeds standard head protection. While it offers superior comfort through a highly adjustable harness, users should note that its specialized design is optimized for mountaineering standards, which may feel different from traditional hard hats.
| Brand | JSP |
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This model is vented and designed for mountaineering standards; it is not recommended for environments where live electrical hazards are present.
Yes, the chinstrap and internal harness components are designed to be adjustable and replaceable if necessary.
No, ear defenders and other accessories must be purchased separately to be used with the integrated attachment points.
Helmets should be replaced every 3-5 years depending on usage, or immediately if the shell has been subjected to a significant impact.
EN 397 is for standard industrial hard hats, whereas EN 12492 (which this helmet meets) provides stricter requirements for side impact and penetration, ideal for working at heights.
Ensure the rear cradle is adjusted correctly to sit below the occipital bone at the base of the skull.
Check that the slot is free of debris and ensure you are using genuine JSP-compatible accessory attachments.
Adjust the four individual strap points to distribute tension evenly rather than tightening one single side.
To set up your helmet, adjust the Revolution Flex wheel ratchet until the headband feels snug but comfortable. Position the 4-point chinstrap so it rests securely under the chin without hindering movement. For accessory attachment, align your ear defenders or faceshields with the side slots and press firmly until they click into place.
Care instructions include cleaning the shell with mild soap and warm water—avoid using harsh solvents that could degrade the material. Regularly inspect the EPP liner and harness straps for signs of wear or UV damage. If the helmet sustains a heavy impact, it should be replaced immediately, even if no visible damage is present.
