Unique Bio-Tech frame technology for fantastic durability and comfort New patented Ultra Fit gaskets are lighter for reduced pressure around the eye socket CLT Curved Lens Technology offers 180 degree peripheral vision Blue tinted lenses ideal for indoor training - Clear/Blue version Clear lenses ideal for indoor training - Silver/Blue version Tinted lenses ideal for indoor and outdoor training - Black/Green version Larger frame offers a super comfortable fit Fogbuster anti-fog lenses provide exceptional moisture control Easy adjust silicone strap for fantastic strength, comfort and durability Double band strap reduces pressure around the eyes New pulley adjust system balances pressure for a more even and comfortable fit FINA approved