OAKLEY SYLAS MATTE BLACK TORTOISE W/ PRIZM SAPPHIRE POLARIZED MENS SHOES and you'll find the leakproof

and you'll find the leakproof

It's leak-resistant

insulated TripleHaul Cap protects your truck cab or day pack from spills

Lined with luxurious nude Lycra®

OAKLEY SYLAS MATTE BLACK TORTOISE W/ PRIZM SAPPHIRE POLARIZED MENS SHOES and you'll find the leakproofOakley Sylas is a classic frame with reliable features. Feel secure in this new style that goes above and beyond the standard with upgraded features for all day wear, including a hat compatible design, lightweight frame and Prizm Lens Technology. HAT COMPATIBLE: hat compatible frame and temple design with an increased extended periphery SEE MORE DETAILS: Available with Prizm lenses that are designed to enhance color, contrast and detail to make the