The polished brass finish of the Mark 49 Antique goggle gives the impression of a really vintage product. Elasticated head band with leather tabs, split lenses, mirror polished goggle frames, knurled-screw nose bridge adjustment. The Mark 49 White is manufactured in the UK using a highly skilled workforce. Is one of the most original goggles in the Halcyon range solid brass frame is mirroir polished and hand stitched to a soft leather face mask. The nose bridge screw is now manufactured using a quality stainless steel this is to add more strength to the thread and is one of the few changes that have made to the goggle over the last 30 years . The lenses are made from a good quality polycarbonate that is treated with a scratch resistant coating to prevent damage to the surface. Each lens is housed in an independent frame that can be easily removed from the goggle to allow replacements to be fitted or to simple switch them with tinted lenses if the sun happens to be shining. Replacement lenses available in clear and smoke. Halcyon Googles are manufactured in the UK and based on the original RAF flying goggle of the 1940's. Halcyon Goggles are a popular choice for use with all styles of open face helmets. Halcyon frames are made in the UK from brass. They are either chrome plated or painted in a variety of finishes and hand stitched to a one-piece padded leather or PVC face mask.