Slack Cover
Slack was already a vibe, but Slack Cover takes it up a notch—or a few thousand feet. These lightweight, super-comfy sunglasses have removable side and bridge shields that transform them from retro-cool to summit-ready in seconds. The bold double-bridge design keeps you looking sharp, while the SPECTRON HD Polarized lens option boosts contrast, amps up color, and cuts eye strain, so you’re comfortable all day long. Whether you’re hitting high-altitude trails or just rocking the vintage look, Slack Cover has your back—and your eyes.
- Removable Protection: Easily customize your Slack with removable bridge and side shields making them the most protective and customizable sunglasses on the market.
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Grip Tech Temples: Soft, rubberized temples offer comfort and perfect grip.
- Curved Temples: Ergonomic profile is comfortable on the face and grips the head.
- Bio-Sourced Rilsan: Made with materials derived from castor beans, this frame is lighter, stronger and more environmentally friendly than frames made of traditional plastic.
- 100% UV Protection: Julbo lenses block 100% of UV a, b, & c rays.
Choose options
- Removable Protection: Easily customize your Slack with removable bridge and side shields making them the most protective and customizable sunglasses on the market.
-
Grip Tech Temples: Soft, rubberized temples offer comfort and perfect grip.
- Curved Temples: Ergonomic profile is comfortable on the face and grips the head.
- Bio-Sourced Rilsan: Made with materials derived from castor beans, this frame is lighter, stronger and more environmentally friendly than frames made of traditional plastic.
- 100% UV Protection: Julbo lenses block 100% of UV a, b, & c rays.
- Removable Protection: Easily customize your Slack with removable bridge and side shields making them the most protective and customizable sunglasses on the market.
-
Grip Tech Temples: Soft, rubberized temples offer comfort and perfect grip.
- Curved Temples: Ergonomic profile is comfortable on the face and grips the head.
- Bio-Sourced Rilsan: Made with materials derived from castor beans, this frame is lighter, stronger and more environmentally friendly than frames made of traditional plastic.
- 100% UV Protection: Julbo lenses block 100% of UV a, b, & c rays.
FAQ
REACTIV lenses are photochromic and adjust to changing light conditions by getting lighter or darker depending on the amount of UV light present. REACTIV lenses are made of NXT (Trivex), which has the clarity of glass and exceptional durability and impact resistance.
SPECTRON lenses are not photochromic and will not lighten or darken. SPECTRON lenses are made of polycarbonate, which is shatter resistant, and are a versatile lens suitable for all types of activities.
Proper cleaning helps prevent damage and extends the life of your lenses. Avoid using solvents, chemical cleaners, paper products, gloves, or anything abrasive, as these can scratch the lens. Scratches are not covered under our lifetime warranty, so be sure to clean and store your eyewear carefully to keep it in top shape.
CLEANING SUNGLASSES
1. Gently wash the frame and lens in soapy water.
2. Rinse the frame and lens thoroughly with clean water.
3. Wipe away moisture with a soft microfiber cloth or non-abrasive material. Let the glasses air-dry.
4. Store glasses in their microfiber case/pouch. Avoid direct sunlight or leaving next to a heat source.
Please visit our RETURNS page to find out more and initiate a return.
