The Looping II has the Alti Spectron X6 polycarbonate lens with flash treatment and anti-reflection technology for protection in very strong sunlight. Protects against 95% of visible light. 100% UVA/B/C protection. Perfect for mountain, sea or desert use. Ideal for bright light situations. Flexible and reversible frame adapted to childrens' face shapes and sizes. Hingeless frame offers flexible arms for safety. Extra flat elastic strap included for a comfortable fit. Lens width 42 Nose 15 Temple length 105; Suitable for 1-3 year olds.