Under Armour 1383438026L-XL M Iso-chill Armourvent STR-GRY,L/XL

M Iso-chill Armourvent STR - Color: White / White - Size: L-XL

M Iso-chill Armourvent STR - Color: Midnight Navy / Midnight Navy - Size: L-XL

M Iso-chill Armourvent STR - Color: Marine OD Green / Black - Size: L-XL

This hat was designed to keep your head cool by dumping excess heat through special vents that allow hot air out, but are small enough that the sun's rays aren't an issue.

M Iso-chill Armourvent STR - Color: Castlerock / Castlerock - Size: XL-2X