The Classic belay glasses from YY Vertical are prism glasses designed for belaying in sport climbing, preventing annoying neck pain while securing the climber. Thanks to the prisms, the head can be held in a relaxed position while keeping the climber fully in view at all times. This protects the neck muscles and prevents tension. The design is minimalist and lightweight, yet the glasses can be perfectly adjusted with flexible metal arms and adjustable silicone nose pads. The YY belay glasses come with a glasses strap, a practical hard case with a carabiner for safe storage when not in use, a cleaning cloth, replacement pads, and a small screwdriver.