If shining bright and feeling comfortable, while playing tennis or any other activity is a factor, then look no further than the goodr All That Glitters Isn’t Gold sunglasses. The curved frame fits most all head sizes with silicone inserts located on the nose piece and tips of the arms, preventing slippage while sweating. A slightly larger polarized lens size is scratch resistant, and provides stellar eye coverage, along with a UV400 level of eye protection filtering out 100% of harmful UVA/ UVB rays.