Zappos.com is proud to offer the Nikwax - Base Wash (1000 ml) (N/A) - Accessories: BaseWash is made specifically for cleaning synthetic base layers. ; Refreshes and removes odors from clothing. ; Rejuvenates the water repellency of tired, worn clothing. ; Helps fabric to dry quickly, keeping you more comfortable in all conditions. ; Increases breathability. ; Easy to use; can be used in a washing machine. ; Water based, environmentally friendly, biodegradable, non-flammable, and non-hazardous. ; Dos not contain fluorocarbons.