Y and Y Vertical Classic Belay Glasses - Steel Grey Review (2026)

Who these belay glasses are for

The Y and Y Vertical Classic is the original model in the brand's belay glasses lineup, built for belayers who spend long days at the crag looking up at a climber on lead or top rope. The steel grey colorway covers a stainless steel frame designed to feel closer to a pair of prescription glasses than a bulky plastic accessory. It suits climbers who belay often, especially on multi pitch or sport routes where craning your neck upward for extended periods causes real discomfort over a full day. Gym climbers who only belay short routes occasionally may not need the investment, but frequent outdoor belayers, guides and parents belaying kids on top rope get consistent daily use from a pair like this.

Build quality and optics

The frame is made of stainless steel with branches built from a shape memory alloy, a material that flexes and returns to shape rather than bending permanently, which helps the glasses survive being sat on or stuffed in a pack. Silicone nosepieces are adjustable, along with the earpieces and arms, letting you fine tune the fit to your face shape more precisely than a fixed plastic frame allows. The lenses use BK7 prisms, a high transparency glass known for producing a clear, non reversed image, meaning what you see through the prism matches what you would see looking directly up rather than appearing mirrored or distorted. At roughly 36 grams, the metal frame stays light despite being sturdier than plastic alternatives.

Comfort over a full day belaying

Reviewers consistently rank the Classic among the more comfortable belay glasses available, largely due to how many points of adjustment the stainless steel frame offers compared with molded plastic designs. That said, testers with larger heads or wider noses have found the nosepiece harder to dial in precisely than the ear and arm adjustments, so trying a pair on or checking return policies matters if you have an unusual fit. The glasses ship with a hard case and a carabiner, letting you clip them to a harness or pack rather than tossing them loose where the prisms could get scratched. Daily use over a season should not degrade the stainless steel frame the way it might a plastic one exposed to sun and heat in a hot car.

How it compares with YY Vertical's other models

Within YY Vertical's own range, the plastic Plasfun Evo models are lighter on the wallet and slightly different in weight distribution, trading some of the stainless frame's durability and adjustability for a lower price point. The Classic remains the brand's original and most established model, with its metal build viewed as the reason it costs more than plastic competitors offering similar prism optics. It earns our score of 8.4 out of 10, with particularly strong marks for build and materials given the stainless steel construction, balanced against a value score that reflects the premium over simpler glasses.

Verdict

Choose the Classic if you belay often, want the most adjustable and durable frame in YY Vertical's lineup, and do not mind paying more for stainless steel construction over plastic. It is a strong long term investment for guides, frequent outdoor belayers and anyone who spends full days at the crag. If budget is the main concern or you only belay occasionally, YY Vertical's plastic Plasfun models offer similar prism optics at a lower price. As with any belay device or accessory, belay glasses support comfort and attentiveness but do not replace following proper belay technique and manufacturer instructions for your belay device.

Frequently asked questions