I usually get one of these: https://www.amazon.com/Coleman-Instant-Canopy-Sunwall-Accessory/dp/B00AU6JQ6S/ref=sr_1_2?s=sporting-goods&ie=UTF8&qid=1549416949&sr=1-2&keywords=coleman+canopy+wall
It's one wall you can attach to a canopy. It keeps air flow going, but I put that up the way the sun rises.