Titanium eyewear is completely made of beta-titanium, well known for its flexibility but also for its capacity to be extremely thin. They are lightweight enough for all-day comfort but don't let the featherlight feel fool you. Titanium is ultra-lightweight, flexible, unbreakable and durable, hypoallergenic, and non-corrosive. The frame Blocks carry with adjustable nose pad which can be adjusted to fit your nose shape.