SWANS SR-81PHPAF ASCENDER is swimming goggle for competition has wider sight. This product is also popular to use for outdoor activity and fitness swimming. This model adopted photochromic lens which change its color automatically in response to the amount of UV rays. It’s good to use this product both inside and outside. In addition this product is approved by FINA, therefore you can use in competition.

Open water/Triathlon goggle with Photochromic feature. The photochromic lenses that change the color itself depend on the amount of UV rays.