Leupold Sentinel Features Leupold built the Sentinel to meet MIL-PRF-32432A impact standards giving shooters confidence that the shatterproof polycarbonate lens will protect their eyes from debris shell casings and other range hazards. The Bronze Mirror lens is polarized and finished with Leupold s Guard-ion coating which resists scratches smudges and water while blocking 99 percent of UV rays. A swappable lens design lets the wearer switch between the primary Bronze Mirror lens and the included secondary clear lens adapting the glasses to bright daylight or low light conditions without needing a second pair of glasses. This versatility makes the Sentinel practical for both outdoor range sessions and indoor training. The frame is built from TR90-NZZ material and finished in Matte Tan offering a lightweight yet durable foundation that resists cracking under impact. An adjustable No-Slip Bridge keeps the glasses securely in place even through rapid head movement or recoil a detail that matters for competitive shooters and defenders of the peace who cannot afford their eyewear shifting mid string. The frame carries a Z-87.1+ ANSI safety rating confirming its suitability for use as dedicated eye protection rather than casual sunglasses. Shooters who need a durable swappable lens system backed by genuine impact protection will find the Sentinel built for serious use. Leupold Sentinel Specifications Manufacturer: Leupold Model: Sentinel Type: Shooting Glasses Frame Material: TR90-NZZ Frame Color: Matte Tan Lens Color: Bronze Mirror Lens Material: Polycarbonate Lens Coating: Guard-ion Polarized: Yes UV Rating: 99% ANSI Rating: Z-87.1+ Includes: Secondary Clear Lens Available At: GrabAGun