Studson SHK-1 Standard Brim Vented Class C, White - M/L

STUDSON SHK-1 Vented Safety Helmet

The SHK-1 brings together protection technology from action sports and the certification standards industrial work demands — built for construction, utilities, oil and gas, and clean energy job sites.

Lightweight, accessory-ready, and designed for all-day wear.

Key Features

Class C Vented Design Open vents keep air moving on hot job sites while channeling rain away from the shell. Built for outdoor work in variable conditions.

Rear Dial Fit System One-handed micro-adjustment. Dial in your fit at the start of the shift and stay focused on the work.

Accessory-Ready Compatible with the SHK-1 Half Shield, Telescoping Headlamp, Ear Defenders, Neck Shade, and more. One helmet platform, fully configurable.

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. First responders can access it instantly 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 Vented is available in two adjustable sizes:

M/L — 53–59 cm 

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.

Weight: 495 g

Certifications & Compliance

ANSI/ISEA Z89.1-2014 (R2019) — Type I & Type II, Class C

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 C — does not provide electrical insulation. Always match helmet class to your site's assessed electrical hazards.

Warranty & Lifespan

- Manufacturer's warranty: 3 years

- Field use lifespan: 3–5 years

- Shelf life: Up to 10 years from manufacture date