No1 high performance cleaner created for wet weather clothing and equipment nikwax tech wash has been designed to clean outdoor gear reviving breathable and water repellent characteristicsnikwax tech wash has been designed to restore the water repellent and breathable properties of your outdoor gear these aspects can be affected when waterproof garments become sweaty and damp inside as this reduces the performance of its durable water repellency dwr tech wash cleans and removes contamina