It fits under a sleeve nicely and that’s even while fitted on its original 19mm waffle https://www.rbsunglasses.uk.com/product-sunglasses/ray-ban-meta-wayfarer-gen-2/ strap. https://www.rbsonnenbrillen.de/sonnenbrillen/square-1971-classic/ At 41mm in diameter compared to the 44mm of the 8110, the difference is dramatic despite the same thickness of 12.5mm and lug to lug https://www.rbocchialidasole.com/occhiali-da-sole/wayfarer-folding-classic/ of 48mm.