From sun up to sun down, no single piece of summer gear is more important than a quality pair of sunglasses.

Choosing the right fit and style can be challenging, akin to selecting a tattoo or a new haircut. Luckily, many brands are finding ways to blend style with functionality, bringing lens technology to new heights while keeping the wearer looking fly.

Polarized lenses seam to be a sunnies standard this year, and innovative frame materials are keeping the overall weight down. We’ve found that lens coating can render this season's crop of sunglasses cumbersome to clean, so keeping those hand cloths handy is a must.

Whether you're having a bad day or have it made in the shade with lemonade, park yourself behind one of these 13 shades of summer and improve your outlook.