Julbos Titan frames boast XL comfort and a maximized field of vision. Helmet compatible, these frames are perfect for outdoor winter sports. The OTG Over the Glasses design allows these goggles to be worn comfortably on top of your prescription glasses, while Zebra Light lenses are made of NXT material which has the clarity of glass and the durability of an anti ballistic material.. . This product will be shipped directly from Julbo and will leave their warehouse in 2 3 business days. Eligible for UPS ground shipping only. . . . Ideal for large faces. OTG Over the Glasses design can be used with a helmet. Clear, durable Zebra Light lenses. Ideal for outdoor, winter athletes. . .