You can use this gel, http://www.amazon.com/Atsko-Sno-Seal-Original-Waterproofing-Protector/dp/B00O9OA01W/ref=cts_sh_3_fbt. or spray, http://www.amazon.com/Kiwi-Boot-Protector-12-Ounce/dp/B003ZTXPJ6/ref=sr_1_5?s=sporting-goods&ie=UTF8&qid=1436973923&sr=1-5&keywords=waterproof+spray
Give it a day to dry, then you are good to go