Tech Wash is water based and eco friendly, and can be used to clean jackets, fleeces, baselayers and most other outdoor clothing. Product Features Removes dirt and detergent residue leaving water-repellency intact Non-detergent and bio-degradable Improves the performance of any fabric, fleece or synthetic insulation Use as a pre-wash for Nikwax treatments for best results Can be applied directly to remove grease spots or stains Ideal for protecting the water-repellency on new garments 1 Litre