Nikwax basewash is a product created specially for cleaning synthetic base layers whilst enhancing the fabrics wicking properties ideal for synthetic base layers and socks when to use this product clean items with nikwax basewash after garment has been worn next to the skin to soften refresh and remove odours always apply this product to used synthetic base layers to keep items in perfect condition benefits of using this productbasewash refreshes and removes odours speeds up wicking on clos