Oakley Sizes Down Its Iconic Frogskins to Fit Smallest of Youth Faces With Frogskins Xxs. Built for Ages 5-10, Frogskins Xxs Recreates the Style’s Original Design in a Plant-Based Bio Matter Frame Material to Help Protect the Future. This Addition to the Frogskins Legacy Features Prizm Lens Technology Designed to Enhance Color and Contrast Across a Variety of Environments and Activities.