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 photochromic lenses get darker or lighter depending on light intensity, and hydrophobic coating repels water.. . 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. Zebra Light technology adjusts to light intensity. Hydrophobic lenses prevent water marking and repel precipitation. Ideal for outdoor, winter athletes.