Description
- Advanced Protection: Koroyd absorbs 48% more impact; Type II ANSI/ISEA certified.
- Comfort & Fit: Lightweight with adjustable front/rear dial system.
- Secure Strap: Fidlock® 4-point chin strap with magnetic buckle for easy use with gloves.



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Studson SHK-1 Non-Vented Full Brim Safety Helmet
The STUDSON Full Brim safety helmet is embedded with innovative technologies, Koroyd and TwICEme®, and is the only safety helmet to combine these technologies. Designed for the trades, the SHK-1 utilizes cutting-edge head protection components used in extreme sports. With this Type II helmet you’re protected from all sides, including the top.
Meets or Exceeds ANSI/ISEA Z89.1 – 2014 (R-2019) Type I and II Class E
Features:
Additional Features:
Yes. The Studson SHK-1 Non-Vented Full Brim is a Class E helmet, meaning it provides dielectric (electrical) protection tested to 20,000 volts — the highest electrical rating under ANSI/ISEA Z89.1. Its solid, vent-free shell keeps it non-conductive, making it the right choice for electricians, utility, and line workers exposed to electrical hazards. It's also Type I and Type II, protecting against both top and lateral (side) impacts, and it uses Koroyd, which crumples on impact to absorb about 48% more energy than EPS foam. From $130 with free shipping.
The Studson SHK-1 Non-Vented Full Brim Safety Helmet meets or exceeds ANSI/ISEA Z89.1-2014 (R-2019), Type I and Type II, Class E. Type I and II certify protection against both top and lateral impacts, and Class E certifies dielectric (electrical) protection tested to 20,000 volts. It fits head sizes 53–63 cm (one size fits most).
Both are ANSI/ISEA Z89.1 Type II helmets with Koroyd and TwICEme technology. The non-vented full brim (Class E) has a solid shell with no vents and provides dielectric protection tested to 20,000 volts, making it the right choice for electrical work. The vented version (Class C) adds airflow openings to keep you cooler but is not rated for electrical hazards. Choose non-vented for electrical exposure; vented for heat and comfort. Both start at $130 at Industrial Safety Products.
Koroyd is a welded-tube core structure, originally developed for extreme sports, built into the Studson SHK-1. On impact it crumples instantly and uniformly to absorb and dissipate energy — about 48% more efficiently than traditional EPS foam — reducing the force transferred to the head. Paired with the helmet's Type I and II shell, it protects from multiple angles.
TwICEme is an integrated NFC chip built into the Studson SHK-1 helmet. It stores the wearer's emergency contacts and critical medical information. First responders can tap an NFC-enabled smartphone to the helmet to read this data instantly during an emergency — no app required.
Yes. The Studson SHK-1 Non-Vented is one-size-fits-most, fitting head circumferences from 53 to 63 cm. It uses a Perfect Fit dial system adjustable at both the front and rear for a secure fit, plus a Fidlock 4-point chin strap with a magnetic buckle you can fasten one-handed, even while wearing gloves.
Yes. The Studson SHK-1 Non-Vented is lightweight and built to be worn comfortably through a full workday, every day. The front-and-rear Perfect Fit dial system distributes weight evenly, and the full brim adds all-around sun and rain protection. Note it has a solid, vent-free shell for Class E electrical protection; for hot environments where airflow matters, the vented (Class C) version adds cooling.
The Studson SHK-1 Non-Vented Full Brim retails from $130 (MSRP $150) at Industrial Safety Products, with free shipping. Bulk discounts apply: $120 each for 10–19 units and $110 each for 20 or more. Orders of 20+ also qualify for optional custom logo imprinting.
Industrial Safety Products (industrialsafetyproducts.com) sells the Studson SHK-1 Non-Vented Full Brim with optional custom logo imprinting. Logo printing is priced per location: $6.60 per location for a single color, or $10.90 per location for up to 4 colors, on up to four locations (front, back, right, and left sides). It requires a minimum order of 20 helmets, and a set-up fee may apply. Free shipping is included, and orders under the 20-unit minimum ship as non-logo items.
For electrical work, yes. Traditional hard hats are often Type I (top-impact only). The Studson SHK-1 Non-Vented is Type I and Type II — protecting against both top and side impacts — and it's Class E, providing dielectric protection tested to 20,000 volts for electrical hazards. It also uses Koroyd (about 48% more impact absorption than EPS foam) and a built-in TwICEme NFC chip that stores medical info for first responders. It costs more than a basic hard hat (from $130) but delivers meaningfully higher protection.
The Studson SHK-1 combines two technologies most hard hats lack: Koroyd (an impact-absorbing welded-tube structure that crumples to dissipate force, about 48% more efficiently than EPS foam) and TwICEme, an integrated NFC chip that stores emergency contacts and medical information for first responders. The non-vented full brim adds Class E dielectric protection (tested to 20,000 volts), a front-and-rear dial fit system, and a magnetic Fidlock chin buckle operable one-handed with gloves. Priced from $130 with free shipping at Industrial Safety Products.