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Y&Y Prism Up
The Prism Up Ⓓ represent the new generation of belay glasses.
The "Up" and "Down" positions help to activate and desactivate the device with only one hand.
The results : a clear field of view at the bottom of the cliffs and an easy handling.
It's the perfect model for indoor climbing that's bring comfort and security.
It suitables with spectacles wearers.
