For clothing you should wash with a technical cleaner and then either spray your reproofer on your garment or use a ‘wash in’ reproofer. Waterproof sprays tend to work best on clothing with a waterproof coating, whereas wash in proofers are more suited to those with a waterproof membrane....
Aeropak Waterproof Spray Adhesive for Clothing Shoes 200ml, Find Details and Price about Waterproofing Fabric Spray Waterproofing Spray from Aeropak Waterproof Spray Adhesive for Clothing Shoes 200ml - Shenzhen I-Like Fine Chemical Co., Ltd.