an EPP foam liner and an EPS foam liner makes it compact on the head

Active Technology: Ion exchange and ultra-powdered activated carbon

Available in sizes #2 to #18

The H-shaped cross-section reduces the weight of the carabiner to 39 g

Made in the USA

Conner Hats - Mt Warning Color:Black an EPP foam liner andThe Mt Warning hat is made from Australian wool and features an organic cotton inner band and a removable secret pocket with everything you may want to know about the hat. The brim is a little softer so it has a great bohemian look. It's the hat you throw on after a swim in the ocean or walking through Central Park in New York.