The LJM is a narrower frames pair of glasses to suit those with smaller faces. With a lightweight TR90 flexible hybrid frame, the LJM glasses are 9mm narrower than the PHO model at the hinges.There are two frame colours available: a gloss black with grey trim or a white gloss with pink trim.The Photochromic lenses transition from Clear Cat0 in low light to Dark Grey Cat3 in bright sunshine.Polycarbonate lenses.Lightweight flexible frame with dual moulded non-slip nosepiece and temples.Adjustable non-slip nose piece for comfort and fit making them ideal for a wide range of face shapes and sizes.All glasses come with a cleaning cloth and hard case.