What Our Gearhead® Experts Are Saying: "I picked these up for my niece, and they’ve become her go-to outfit for playtime. They’re super soft, durable, and easy to put on—even with boots. The fleece keeps her warm without overheating, and the zippered diaper access is a lifesaver for quick changes on the go."When cool-weather adventures call, the Patagonia Synchilla Overall keeps little explorers warm, comfy, and free to roam. Crafted from 100% recycled polyester fleece, these cozy overalls deliver soft, breathable insulation that’s gentle on sensitive skin while treading lightly on the planet. Whether they’re playing in the yard, helping pack for a camping trip, or tagging along on the trail, this piece keeps up with all their early adventures. The adjustable snap straps grow with your child, ensuring a lasting fit through multiple seasons. A zippered diaper entry makes outfit changes quick and fuss-free, while cinched leg openings help lock in warmth and keep the fit snug around tiny ankles. Easy to layer under a shell or over a base layer, the Synchilla Overall proves that warmth and convenience can go hand in hand—Patagonia style.