Seam Grip from Gear Aid is the best product to seal and repair all types of fabrics except those treated with silicone. Seam Grip self levels to create a good looking sealed seam. It is also an extremely strong repair adhesive. Seam Grip permanently seals and repairs moto gear, moto bags, tents, backpacks, outerwear and footwear including PU coated fabrics, Gore Tex fabric and more.
NOTE: This is a HUGE tube, big enough to seal up your gear for a lifetime.