Nikwax Base Wash has been specifically formulated for use when cleaning and conditioning synthetic base layers. Once your base layer has been used a few times, wash it with Nikwax Base Wash to deodorise, freshen, soften, and enhance drying and cooling. Always apply this product to used synthetic base layers, socks, sports kit and travel clothing to keep them in perfect condition and prevent odour build up. Nikwax Base Wash also enhances and revitalises the wicking properties of synthetic base layers and increases breathability to keep you more comfortable in all conditions.