Bobster Invader Sunglasses Black Frame Photochromic Lenses. Ignite sparks with these glasses from Bobster Action Glasses that are ideal for the practical yet style conscience person. The wrap around frame of these Bobster Glasses is made of flexible durable Grilamid TR90 and the open cell foam keeps wind and debris out of your eyes. Continue wearing this piece of Glasses by Bobster Action Glasses from day into evening due to the photochromic lenses which adjusts to UV light. The Bobster Invader photochromic lenses have a transmission rate of 47percent while in low light conditions to 15percent while in the sun. Features of Bobster Invader Photochromic Sun glasses with Grilamid TR-90 Frame: Photochromic lenses Extremely comfortable wrap around style with open cell foam Standards Met: CE EN-1836:2005/A1:2007 Storage: Carry Case Warranty: Limited Lifetime against Manufacturing Defects Package Contents: Bobster Invader Photochromic Sunglasses with Grilamid TR90 Frame Carry Case Microfiber cleaning cloth Bobster Invader Sunglasses Black Frame Photochromic Lenses BINV101