YKK® Vislon® AquaGuard® center front and chest pocket zippers

Side seam mesh lined ventilation zippers

INSULATION 3M™ Thinsulate™ Platinum Flex 40gm

Breathable and naturally resistant to odor

This responsive

Icebreaker Sierra Adult Beanie Size:One Size YKK® Vislon® AquaGuard® center frontA versatile, go anywhere winter hat with a double layer design for ample warmth in cold conditions, the Sierra Beanie is made with our breathable, odor resistant 200gm merino RealFLEECE. Features RealFLEECE An authentic brushed merino wool that is naturally warm and soft to the touch Fabric content 87% Merino Wool, 10% Nylon, 3% Elastane