The Nike Aerobill Running Hat Helps Keep You Cool And Protected On Your Run With Lightweight Fabric And A Sweatband For Dry Comfort.

"Womens" sizing is just SLIGHTLY smaller than "Unisex". 

Features:

- Aerobill Technology Wicks Sweat Away And Provides Lightweight Breathability

- Black Underbill Reduces Glare

- Mesh Panels Enhance Breathability

- Sweatband Offers Dry Comfort And A Snug Fit

- Adjustable Closure Offers A Snug, Comfortable Fit

- Reflective Details Stand Out In Low Light

Specifications:

- Body: 100% Recycled Polyester.

- Side Panels: 100% Polyester.

- Lining: 91% Recycled Polyester/9% Spandex.

Care:

- Machine Wash.