Tech Wash is a non detergent cleaner, protecting the water-repellent finish on waterproof clothing, equipment, synthetic insulated garments and sleeping bags. TX Direct Wash-In was the world's first water-based wash-in waterproofing formula, and after countless formula improvements, remains the waterproofing standard in the market. Restores the durable water-repellent finish to all waterproof/breathable laminates, coatings and microfibers.