Key Snow - Spare HI-FI Lens - Yellow Clear uv Size +1 is listed as

Size +1 is listed as small–medium

thanks to the statement text doing the talking for you

or you can take the frames to your local optometrist

These are the perfect take anywhere sunglasses

frame-specific solution

Key Snow - Spare HI-FI Lens - Yellow Clear uv Size +1 is listed asKey Snow Spare HI FI Lens Yellow Clear is a replacement lens built for fast swaps when conditions change. Designed around Detours QuickGrip magnetic lens system, it lets you switch lenses in a matter of seconds without slowing down your day. This spare lens also includes a stretch lens protector, so its easier to keep your gear in tip top shape when its in your pack, pocket, or riding bag. This lens uses Detours Hi Fi lens design for enhanced clarity,