The VCKF70 Dazzle winter coverall is designed for workers exposed to extreme cold, electrical arc hazards, and hydrocarbon flash fire risks. Part of the Kosto® F70 Series, this insulated flame-resistant coverall delivers high-level thermal protection while maintaining breathability and mobility in harsh outdoor environments. Its waterproof and breathable laminated membrane, combined with multi-layer FR insulation, ensures comfort and protection down to -20 °C, making it suitable for demanding winter operations where visibility and compliance are critical.

Key Features

Dual Arc Flash and Flash Fire Protection: Designed to protect against electric arc exposure and hydrocarbon flash fires in high-risk industrial environments.
Cold Weather Insulation: Multi-layer FR insulation system delivers reliable warmth in temperatures down to -20 °C.
Waterproof and Breathable Construction: Laminated membrane rated at 5000 mm waterproofness and 3000 mvp breathability for all-weather performance.
High-Visibility Reflective Taping: 4″ FR K-Brite reflective tapes enhance visibility in low-light and night-time conditions.
Durable FR Materials: Canvas fabric made of 99% flame-retardant cotton with antistatic properties for long-term wear resistance.
Functional Work Design: Features include a high collar, two-way front and leg zippers with protective flaps, radio straps, gas detector pocket, and sealed seams.

Intended Use

This winter FR coverall is intended for use in environments where cold weather exposure is combined with electrical and flame hazards. It supports compliance-driven work performed outdoors or in unheated facilities while maintaining visibility and thermal comfort.

Electrical utility and power generation workers
Oil, gas, and petrochemical operations
Industrial maintenance and shutdown crews
Outdoor construction and infrastructure work
Winter operations in high-visibility required zones

Product Specifications:

Product code: VCKF70 / VCKF70T
Product type: Flame-resistant insulated winter coverall
Outer fabric: 99% FR cotton canvas, 280 gsm, antistatic
Membrane: Waterproof and breathable laminated membrane (5000 mm / 3000 mvp)
Lining: 100% FR cotton, 170 g/m²
Insulation: 85% modacrylic / 15% polyester, 200 g/m²
Reflective tape: 4″ FR K-Brite
Closure system: #8 zippers with protective flaps (front and legs)
Seams: High-strength heat-sealed seams
Color: High-visibility yellow with reflective tape

Certifications and Standards

NFPA 70E / ASTM F1506 – Arc flash protection
ASTM F1959 – Arc rating, Category 4
ATPV: 40 cal/cm² (arc flash), 14 cal/cm² (Cat. 2 reference)
CAN/CGSB 155.20-2017 – Hydrocarbon flash fire protection
ASTM F1930 – Manikin test passed
CSA Z96-22 – Class 3, Level 2 (tape positioning)
ANSI/ISEA Type O, Class 1