The great beauty of America&';s national parks...is now available...FOR YOUR FACE! Nine stunning sunnies! All inspired by a different national park! Good for hiking, kayaking, climbing, and...stuffing s&';mores into your face after sipping...whatever beverage you put into your canteen. NO SLIP. NO BOUNCE. ALL POLARIZED. ALL FUN.(TM) 1 NO SLIP We use special grip coating to construct our frame to help eliminate slippage when sweating. 2 NO BOUNCE Our frame is snug and light-weight, with a comfortable fit to prevent bouncing while running. 3 ALL POLARIZED Glare-reducing, polarized lenses and UV400 protection that blocks 100% of those harmful UVA and UVB rays.