Description
Product Overview
Nikwax Down Proof is a specialty waterproofing treatment formulated to safeguard the insulating performance of down‑filled apparel and sleeping bags. The water‑based, PFAS‑free formula penetrates both the outer fabric and the down fill, reviving loft while adding a durable water‑repellent (DWR) layer. Packaged in a 10.14 fl oz bottle, it is designed for unisex adult use and complies with environmentally responsible standards—no optical brighteners, no added scent, and safe for machine washing after a proper pre‑wash.
Usage
This treatment is ideal for outdoor adventures such as camping, hiking, and mountaineering where exposure to rain or snow can compromise down insulation. First, clean the item with Nikwax Down Wash.Direct, then apply Down Proof using a wash‑in method or spray for even coverage. It works on jackets, sleeping bags, and other gear featuring down, down blends, or water‑resistant down treatments like Nikwax Hydrophobic Down. 
Why Choose Us
Nikwax stands out for its commitment to non‑toxic, sustainable waterproofing solutions. Down Proof is rigorously tested to ensure it does not degrade the delicate down fill, preserving loft and warmth. The formula is free from persistent chemicals, making it safe for both the user and the environment. With a 4.6‑star rating from over a thousand customers, it consistently delivers reliable performance in demanding conditions.
Key Features
- Water‑based, PFAS‑free formula protects down without harmful chemicals
- Restores loft and adds durable water repellency to outer fabric
- Safe for machine wash after using Nikwax Down Wash.Direct
- Effective on jackets, sleeping bags, and gear with down or down blends
- Environmentally responsible – no optical brighteners or added scent
FAQ
Do I need to use Nikwax Down Wash.Direct before applying Down Proof?
Yes, cleaning the item with Down Wash.Direct removes oils and residues, allowing Down Proof to penetrate effectively and provide optimal waterproofing.
Can I apply Down Proof to synthetic insulated garments?
Down Proof is specifically engineered for down fill. For synthetic insulation, use a product designed for that material to avoid affecting performance.
How often should I reapply the treatment?
Reapplication is recommended after several washes or when you notice a loss of water repellency, typically every 10–15 washes depending on usage conditions.
Is the treatment safe for color‑fast fabrics?
Yes, the water‑based formula is gentle and does not contain harsh chemicals that could fade colors. Test on a small area if you have concerns.
Will Down Proof affect the breathability of my gear?
No, the treatment maintains the natural breathability of down while adding a protective DWR layer, ensuring comfort in varying temperatures.
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