YY Vertical is one of the French leaders in belay goggles and the Classic model is the first model in their range, a best-seller that has proven itself and made many climbers happy. They allow you to belay your partner in perfect safety without having to lean your head back, thus avoiding neck pain. Their flexible frame adapts to all morphologies. Features: Adjustable at the bridge and branchesFlexible frameStackable with eyeglasses33 grams Belay glasses YY Vertical ---Classic Bleu Saphir