I picked up some tent repair stuff that someone recommended on another thread a while back, I used it on my son's gloves since he tore up the fingers a but using them on the roller hockey rink. I was skeptical but hoponestly they held up really well, just a matter of finding the right color then cutting pieces the right size for the spot you're using it on.
This is what I used:
https://www.amazon.com/gp/product/B006G1E3D2/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1