The OshKosh Denim Overalls combine durability with practical design for active nine-month-old boys. Constructed from sturdy denim, these overalls withstand the wear and tear of crawling and play while maintaining their shape through countless washes. The flannel lining adds warmth and softness against the skin, making them ideal for cooler seasons without bulk. Snap leg closures simplify diaper changes and dressing, eliminating frustration during busy parenting moments. The classic overall silhouette offers timeless appeal with adjustable shoulder straps for a secure, comfortable fit as your baby grows. A versatile wardrobe essential that transitions from playtime to family outings with effortless style.