The NEW HRT Tac Beanie is designed to keep you warm and comfortable in cold environments. Recognizing the need for a lightweight yet insulating beanie that works both under a helmet and for everyday use, HRT created the perfect solution. This low-profile, 3-panel tactical beanie offers optimal coverage and enhances situational awareness when worn beneath a helmet. Made from mid-weight, waffle-lined polyester, it blocks wind, retains heat, and stretches to provide a snug fit for most head sizes. Available in Multicam and in Black.
KEY ATTRIBUTES:
-Lightweight, quick drying, breathable polyester
-Waffle texture fleece like material on inside to block wind and keep you warm
-Light enough to fit under a helmet
-Lined Ear band for warmth
-Eyelets for eye protection
https://hrttacticalgear.com/hrt-tac-beanie/ 
