The Revco MH400 Double-Layered Nomex Sock Hood provides heavy-duty flame-resistant and arc-rated protection for welders, electricians, and industrial professionals. Constructed from a 6 oz. double-layer knit made of 50% meta-aramid and 50% FR viscose, this hood combines superior thermal performance with softness and breathability for all-day comfort.

Designed with double-layer front and back drapes, the MH400 offers extended coverage for the head, neck, and shoulders while maintaining flexibility and a secure fit under helmets or shields. Certified to NFPA 70E and rated ATPV 8.9 cal/cm² (PPE Category 2), this hood provides dependable protection against arc flash and heat exposure in demanding work environments.

Key Features

• Double-layer 6 oz. knit construction – provides enhanced thermal and arc protection
• 50% meta-aramid / 50% FR viscose – inherently flame-resistant, soft, and breathable
• Front and back drapes – extend coverage for full neck and shoulder protection
• NFPA 70E compliant – meets arc flash protection standards for electrical safety
• ATPV 8.9 cal/cm² (PPE CAT 2) – rated for Category 2 arc flash applications
• Lightweight and comfortable – fits easily under helmets or welding hoods
• One size fits most – flexible stretch design for universal fit

Technical Specifications

Brand: Revco
Model Number: MH400
Material: 50% Meta-Aramid / 50% FR Viscose
Weight: 6 oz. Double-Layer Knit
Design: Double-Layer Sock Hood with Front and Back Drapes
Flame Resistance: Inherently FR (Meta-Aramid / FR Viscose Blend)
Arc Rating: ATPV 8.9 cal/cm² (PPE CAT 2)
Standards: NFPA 70E Compliant
Size: One Size Fits Most