The Halo Skull Cap has a lightweight yet effective desin with allows it to fit comfortably under a helmet.  The smooth mesh top proviedes ultraviolent sun protection and helps to keep your head cool even on hot summer days.  Great for cycling.

Features:

• 4-way stretch micro-mesh top releases heat for year-round comfort
• Patented SweatSeal® forms a water-tight seal that channels sweat back and away from the eyes and face!
• Grip Technology keeps it in place during any activity
• Antimicrobial Dryline® fabric absorbs sweat, wicks moisture and dries quickly
• Will not lose shape, form or stretch out
• Works great under helmets
• Stays in place during any activity
• UPF rating for white = 40+
• UPF rating for black, charcoal, star gazer, camo green and camo grey = 50
• Hand wash or machine wash cold, hang dry
• One size fits most
• Made in the USA
• One year warranty against manufacturer defects