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Muc-Off Wash-In Rain Re-Proofer 300ml

Stay protected in any weather with the Muc-Off Wash-In Rain Re-Proofer a powerful, easy-to-use solution designed to restore the waterproof performance of your technical clothing. Ideal for cyclists and outdoor adventurers, this 300ml formula revives factory-level water repellency without compromising breathability or comfort.

Why Choose Muc-Off Wash-In Re-Proofer?

  • Advanced Waterproofing
    Engineered with cutting-edge DWR (Durable Water Repellent) technology, this treatment creates a hydrophobic barrier that forces water to bead and roll off your garments keeping you dry and comfortable even in harsh conditions.

  • Maintains Breathability
    Unlike traditional coatings, this formula preserves the breathability of your garments, allowing moisture to escape without letting rain in.

  • Eco-Friendly and Skin-Safe
    The water-based, PFC-free solution is safe for both the environment and your skin, offering high performance without harmful chemicals.

Key Features

  • Prolongs Garment Life
    Enhances the durability and performance of waterproof and breathable clothing, including Gore-Tex, Polartec, Pertex, eVent, and more.

  • Stain and Grime Repellent
    Actively resists mud, grime, and ground-in dirt to keep your gear looking and performing like new.

  • Universally Compatible
    Suitable for both softshell and hardshell fabrics, making it a versatile addition to any gear care routine.

How to Use

  1. Wash garments first with Muc-Off Technical Wash for best results.

  2. Shake the bottle well.

  3. Treat items individually.

  4. Use 20 x 5ml caps per large item, or for two smaller garments. For hand washing, use 5 x capfuls.

  5. Pour the required amount directly into the washing machines detergent drawer.

  6. Run a full wash cycle at 300C (860F), or follow your garments care label.

  7. Air-dry overnight or tumble dry if permitted.

Pro Tip

For maximum protection in extreme conditions, apply Muc-Off Rain Shield Re-Proofer spray after the wash-in treatment for an additional waterproof layer.

Maintenance Note

Reapply every three months or as needed, especially after frequent washes. Avoid using standard household detergents, as they can degrade the water-repellent coating.


Keep your technical gear weather-ready and performing at its best. Try the Muc-Off Wash-In Rain Re-Proofer today and stay confident in the face of rain, mud, and grime.