Nikwax TX Direct Wash-In is designed to reproof your waterproof, breathable garments once they have been cleaned thoroughly with Nikwax Tech Wash which will prolong their life and effectiveness over many seasons or wear.Adds / Renews water repellency and revives breathability of the garment keeping the item feeling and performing as good as the first day you wore the garment.Easy to apply either by hand or machine wash, allowing you to treat the garment wherever you may be.This treatment will not affect the cosmetic appearance of your garment keeping it look and perform as good as the first day you wore the item.For best results from the TX Direct Wash-In it is advised that you leave the garment to air dry. Allowing the garment to Air dry after treatment develops an improved DWR (Durable Water Repellency) on the garment, keeping you protected from the weather for longer.