Sea to Summit Grangers Performance Repel Spray 275 ML Black 275 mL
Designed to renew the water-repellent finish of any technical fabric. Spray-on application for maximum flexibility, and can be left to dry naturally. Must be applied to a clean, damp garment for maximum performance. Performance Repel adds a water-repellent finish to all technical fabrics and garments, including those with Gore-Tex linings.
Doesn't affect garment breathability
Doesn't require heat activation to work