The new K3s Marathon have breezed through the most extreme quality tests, setting a new standard of quality in sports optics. Special TAC 1.2 panoramic lens, polarized and interchangeable with anti-fog film and REVO cover. Lighter PC frame, only 26 grams of weight! DrySky anti-fog system. Includes polyurethane case, microfiber bag and spare rubber bands for nose and arms as a free gift. Photochromic lens, TR90 optical clip, anti-fog lens and clear lens also available as accessories.

Get extra discounts using BIKETODAY code during the checkout process on Siroko Online Store.