Cotton jersey is knit, which is why it stretches and clings. That closeness is comfortable, but it also holds in heat and dampness. Muslin cotton is woven in a loose, open pattern instead of knit, and the small gaps in that weave are what let air pass through the fabric. Those same gaps make muslin dry fast after a wash or a milk spill, and the cotton gets softer with every wash rather than staying stiff. Muslin does crease easily. That's normal for a loose weave and it doesn't mean the fabric is wearing out.
Epic's clothes are double-layer muslin cotton. That extra layer keeps the breathable, quick-dry qualities of the weave without losing them. Every piece is pre-washed before it ships, so it arrives soft rather than stiff, and seams are sewn flat against the skin. The dyes are child-safe, with no harsh finishes added on top. At home, how to wash muslin baby clothes to keep them soft comes down to a cold, gentle cycle and skipping fabric softener, which coats the weave and blocks some of the airflow. Whether muslin baby clothes can go in the tumble dryer depends on heat: low or hang-dry works, high heat does not.
Sizes run roughly newborn to 4 years. If you're buying for someone else's child or between sizes, whether muslin baby clothes run big or small is worth a look before you order. Epic ships worldwide with tracked delivery, and unworn pieces can be returned within 30 days. Vanessa and Bob, the two people behind Epic, design these pieces in Bali and pick muslin over jersey for how it breathes and softens with every wash.