The Nikwax Base Wash has been designed to clean your synthetic base layers, socks and travel clothing. This cleaner will remove odor and refresh your clothing, it is easy to use and can be used in a washing machine. The Nikwax Base Wash will help the fabric spread sweat and will dry quickly to keep you comfortable in all conditions. Nikwax is a global leader in safe, high performance waterproofing, cleaning and condition for outdoor gear. Nikwax aftercare products have been PFC free since 1977 (founding date). Water Based - environmentally friendly, biodegradable, non-flammable, non hazardous, does not contain fluorocarbons, Use with synthetic base layers, socks, travel clothing, Base Wash refreshes and removes odors, Enhances and revitalizes wicking properties, Helps fabric to spread sweat and dry quickly, keeping you more comfortable in all conditions, Increases breathability, Easy to use - can be applied in a washing machine,.