Move the zipper slider down the track until it is at the bottom of the sleeping bag. Pull the zipper track end out of the zipper slider to separate the tracks.
Line up the two sleeping bags next to each other, orienting the men's sleeping bag on the left and the women's bag on the right. Match the back zipper tracks and the top zipper tracks.
Start with the track that connects the back of each bag. Connect them just as you would a jacket zipper, ensuring that the zipper pull is in the fully opened position and touching the zipper stop at the end. Slide the non-pull side into the two zipper pulls. (Important: Both pulls should be together at the end of the track.)
Repeat this step for the top zipper and you’re good to go!