Wash in cleaner for waterproof clothing and equipment ideal for use before reproofing your gearnikwax tech wash is a non detergent biodegradable liquid soap that removes detergent residue and dirt whilst leaving the water repellency intact clean items with tech wash before treating them with any nikwax clothing waterproofing product or apply directly to fabrics as a stain or grease removercolour swatchmultidofe recommendedyesbrandnikwaxcolourmulti