Flak Xs - Poseidon Color:prizm road two adjustable sternum straps and

two adjustable sternum straps and soft material against the back create a garment-like fit

a flattering cut

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the Mach 4 employs a harmonious blend of foams - merging an incredibly soft

Flak Xs - Poseidon Color:prizm road two adjustable sternum straps andOakley Flak Xs Poseidon W Prizm Road Lenses. Specially engineered for youth faces, Flak XS features the same innovations that athletes have grown to expect from the Flak family. FEATURES Lightweight O Matter frame material with ellipse metal icon accents Unobtainium earsocks and nosepads for increased comfort and performance Polarized and Iridium lens options available Interchangeable lens system Available with Oakley Authentic Prescription Lenses