Nikwax Polar Proof has been specifically designed and optimized to use on your fleece garments to allow moisture vapor to pass through. This water repellent treatment helps to maintain breathability, insulation and optimizes performance in wet weather when applied to AFTCO . The highly Durable Water Repellency (DWR) of Nikwax Polar Proof develops on air drying. Therefore the need for tumble drying is removed, saving energy. Refer to our guide on 

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