Slack was already bold and versatile enough to suit any occasion. Slack Cover takes these characteristics of light weight and comfort, and adds removable shells on the sides and above the nose to transform your vintage glasses into a veritable summit exploration accessory. Featuring a double-bridge frame with bold styling, they are available in three lens options, including Spectron HD Polarized lens, a polarized lens that amplifies detail, enhances contrast and color, and reduces eye strain for uncompromising all-day comfort. Slack Cover will have you loving the high-altitude environment more than ever before.
Features • Removable Side Shields: Side protection from sunlight in extreme conditions • Removable Nose Guard: Removable Nose Shield, located on the top of the nose, providing additional sun protection • Curved Temples: Ergonomic profile for good grip on the face and head • High Protection: Cat. 4 polycarbonate lens(Visible light transmission rate: 5%)with an anti-reflective coating-Improves visual comfort by eliminating stray reflections. Flash finish: Improves filtration of visible light by applying a mirror effect to the lens. Blocks sunlight and increases the filter effect. Recommended for sports exposed to conditions with strong glare. Maximum protection at altitude, Eliminates the sun’s harmful rays, The best protection for young children