Smartwool Beanie Size:One Size you also have the option

you also have the option of integrating a hydration system

(*Tested by Flextail Lab)

-Zippered front top pocket with internal organizer and key fob

and a tail clip for hands-free convenience

Smartwool Beanie Size:One Size you also have the optionChilly out there? Our Smartwool Beanie knows just what to do. The double layer rib knit construction blends the benefits of Merino wool with recycled polyester for a durable, comfortable, and cold weather ready beanie. Features Fabric helps combine the moisture management, temperature regulation, and odor resistance of Merino with recycled polyester Double layer rib knit construction Made in Indonesia: Shell: 55% Merino Wool, 45% Recycled Polyester.