ANSWER: Neoprene is an excellent insulator designed to trap heat

Ultralight 10D Pertex® Quantum fabric outer which is 100% recycled

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Responsibly Made: Insulation is 100% recycled down

Heather Hats Hamilton Wax Baseball | Black Fleece ANSWER: Neoprene is an excellentThe Heather Hamilton Wax Leather Peak Baseball Cap is a high quality sporting hat that features a wax crown and genuine leather peak. With an adjustable strap, comfortable cotton twill lining, and padded sweatband trim, this water resistant cap is a must have for long days. Features: Brass Buckle Leather Strap Adjustable Padded Sweatband Materials: Wax Cotton Outer Cotton Twill Lining