Wiley X XL-1 Advanced are the most popular Wiley X frames and are ballistic grade sunglasses made for gun and extreme sport enthusiasts. Wiley X is a leading provider of protective sunglasses and ballistic eyewear products. Wiley X sunglasses are the standard issue with most law enforcement and military branches. Model features a Wrap Around shape to protect peripheral vision and allow for a broader field of vision. Wiley X XL-1 Advanced Sunglasses come complete with a mini strap that attaches to the temples. Elastic strap system is present to adjust the length and comfort of the sunglasses. Wiley X XL-1 Advanced Sunglasses come with removable foam inserts made of Ultra Foam™ Wiley X XL-1 Advanced Sunglasses feature the signature “WX” on both temples. Interchangeable lenses provided for all day protection. NO TEARS® system seals and protects eyes from sand and dirt. Frames flatter those with Longer Noses Exceeds the ANSI Z87.1-2003+ High Velocity safety standard. Frames feature injected temple tips for stability. Frames can switch between tactical to ballistic eyewear. Wiley X XL-1 Advanced Sunglasses are heat resistant. Meets GL-PD 10-12 MCEP Standard For Men and For Women Wiley X carrying case and cleaning cloth included. Available in Wiley X Prescription Sunglasses.