The Sunglasses Retention Device (SRD) is a must-have accessory to keep your shades always at the ready. The Hypalon slider adjusts to the desired length to fit any activity, and the spherical 8-loop attachment ensures it never slips or slides.

• Sphere 8-loop adjustment for secure fit
• Hypalon friction slider for length adjustment
• Comfortable, woven polyester cord
• Minimal and efficient construction for ease of use