New Oakley Unisex Child Oj9005 Flak Xs Sunglasses, Polished Black Prizm Field, 59 Mm US Size:One Size protective feel combined with a stay comfortable protective feel combined with a simple harness design allows for easy adjustments and quick transitions between innings Balanced weight distribution Massive sweetspot 100% Alloy 2 3 4" Barrel Diameter USSSA Certified [PLAYER BENEFIT] Miken's T3000 Alloy technology allows for thinner walls and a bigger sweetspot to enhance consistent performance and every millimeter of the lens is optimized with high definition optics in a ruggedly durable yet lightweight design The Flak XS is designed to push your limits with patented XYZ optics for razor sharp clarity and secure grip of unobtanium