N-ferno By Ergodyne 3G-OTH-556587 — Technical Specifications

Name: N-ferno By Ergodyne 3G-OTH-556587 N-FERNO BY ERGODYNE Hard Hat Liner: Polyester, Ears/Head, Hook-and-Loop, Black, Universal (MPN 6840). Key specifications — Adjustment Type: Hook-and-Loop; Attachment Type: Hook-and-Loop; Compatible with Series: N-Ferno; Includes: Liner only; Cooling: No; Closure Type: Hook-and-Loop; Includes Neck Shade: No; Areas Covered: Head.
Brand: N-ferno By Ergodyne

The N-FERNO BY ERGODYNE Hard Hat Liner (MPN 6840) is a universal-size, reusable polyester fleece liner that covers the head and ears, secured with hook-and-loop closure and attachment. It features an elastic fit, is black, and includes the liner only—no face mask or neck shade. Compatible with the N-Ferno series, this liner provides cold-weather protection without cooling features.

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Technical Specifications

Parameter	Value
Size	Universal
Type	Ears/Head, Hook-and-Loop, Black, Universal
Brand	N-FERNO BY ERGODYNE
Outer	Black
Cooling	No
Features	Elastic Fit
Includes	Liner only
Reusability	Reusable
Closure Type	Hook-and-Loop
Areas Covered	Head
Adjustment Type	Hook-and-Loop
Attachment Type	Hook-and-Loop
Lining Material	100% Polyester Fleece
Includes Face Mask	No
Includes Neck Shade	No
Compatible With Series	N-Ferno
Manufacturer Part Number	6840
Includes Face Mask Broad2	None