Description
STUDSON SHK-1 Non-Vented Safety Helmet
The SHK-1 Non-Vented is built for environments where a sealed shell isn’t optional. Class E rated to 20,000 volts, it carries the same Koroyd impact core, Twiceme NFC, and Fidlock chin strap system as the vented model — without the openings that disqualify vented helmets from electrical applications.
Built for electricians, utility workers, and anyone working in or around high-voltage environments.
Key Features
Class E Non-Vented Shell Fully sealed ABS shell rated to withstand up to 20,000 volts. No vents means no conductive pathways — the right choice for electrical and high-voltage job sites.
Rear Dial Fit System One-handed micro-adjustment with an extendable front brow pad for additional fine-tuning. Dial in your fit at the start of the shift.
Accessory-Ready Compatible with the SHK-1 Half Shield, Telescoping Headlamp, Ear Defenders, Neck Shade, and more. Same accessory platform as the vented model.
Protection Technology
Koroyd Welded Tube Core Koroyd’s welded tubes crumple instantly on impact, absorbing maximum force and minimizing energy transferred to your head. Engineered to protect against both direct and angled impacts — may reduce the risk of suffering a life-changing injury. ANSI-certified for industrial use.
Twiceme NFC An embedded NFC chip stores emergency contact and medical information. Accessible instantly by first responders with any NFC-enabled device — no app required.
Fidlock 4-Point Chin Strap Magnetic buckle fastens and releases with one hand, even with gloves on. Adjustable nylon straps, four anchor points, secure fit.
Fit & Sizing
The SHK-1 Non-Vented is available in two adjustable sizes:
L/XL — 58–63 cm (recommended) Our universal size. Fits the majority of head sizes, including those at the upper end of M/L. If you’re on the edge between sizes, size up to L/XL.
M/L — 53–59 cm (limited availability) Currently available in White only. All other M/L colorways are available while supplies last.
Weight: 495 g
Certifications & Compliance
ANSI/ISEA Z89.1-2014 (R2019) — Type I & Type II, Class E
EN 12492:2012 — Mountaineering equipment standard covering:
– Shock energy absorption (front, lateral, and rear — Clauses 4.2.1.2–4.2.1.4)
– Penetration resistance (Clause 4.2.2)
– Retention system strength (Clause 4.2.3)
– Retention system effectiveness / roll-off (Clause 4.2.4)
Note: This helmet meets ANSI/ISEA Type II standards (United States). It is not certified to CSA Z94.1 Type II (Canada). Class E — rated to 20,000 volts. Always verify helmet class matches your site’s assessed electrical hazards before use.
Warranty & Lifespan
- Manufacturer’s warranty: 3 years
- Field use lifespan: 3–5 years
- Shelf life: Up to 10 years from manufacture date
PRE-ORDER INFORMATION
This item is sourced from the USA. Estimated delivery to Malaysia: within 23 days after order confirmation.
Please check the Color and Sizes carefully before placing your order.





















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