Constructed with a low profile design and comfortable Durafit Silicone head strap, the LGTRM ensures a close fit for minimal drag. In addition to five nosebridge size options and TPR gaskets, these goggles also feature wide peripheral range and an anti-fog coating for optimal sighting. All polycarbonate lenses include full UVA/UVB protection. Highly reflective, bold statements of color. Mirror coatings are strictly cosmetic and do not provide any difference in vision. Sized nosebridge options to accommodate various facial types.