Buying guide
For active toddler boys, choose double-layer muslin cotton sets or rompers with flat seams and a loose weave that moves with running and climbing. The fabric is lightweight, breathable and already pre-washed soft, so it layers easily into daily play. Machine wash cold and skip high heat so it keeps softening instead of wearing thin.
By Vanessa & Bob, Epic in Bali · Updated 6 October 2026
Boys who run and climb all day put their clothes through a real test, and muslin cotton holds up well: the loose weave stays light and gets softer with every wash instead of wearing thin. We pick double-layer muslin for Epic because it moves easily and dries fast between outfit changes. A few creases from the weave are normal, not a flaw.
A simple top that layers easily over pants and stays breathable through a full day of play.
Loose through the leg so he can climb and run without the fabric pulling tight.
Matching top and bottom that's easiest to grab for every day, since both pieces are already paired.
One piece that stays put during crawling and tumbling, with no shirt riding up.
Wash cold on a gentle cycle and skip fabric softener. Tumble dry low or hang to dry; muslin keeps softening with every wash, and a few creases along the way are just part of the weave.
Sizes run from newborn up to about 4 years, which covers the toddler stage when boys are most active.