Knockaround polarized Sunglasses Songbirds Colour:My Oh My Beta Fuel is optimized for

Beta Fuel is optimized for superior carbohydrate absorption while reducing the risk of stomach discomfort—allowing athletes to take in more energy per hour comfortably and efficiently

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Designed for long or warm exercise sessions

and built for endurance

artificial ingredients

Knockaround polarized Sunglasses Songbirds Colour:My Oh My Beta Fuel is optimized forWho we are Sun and San Diego Born, raised, and bathed in San Diego sunshine, Knockaround is the original, affordable sunglasses brand. Since 2005 weve committed to making durable shades that are both practical and stylish. Our stellar customer service and ever growing selection of high quality eyewear have made us not just hometown favorites, but go tos across the globe! Timeless with a modern streak, our Songbirds sunglasses are here to turn heads.