Adjustable knot hat for the perfect fit, made with stretch organic cotton jersey for babies. One Size: 0-3 month SUPER SOFT, lightweight, breathable, cozy, and comfy. Chemical free & non-toxic formulation, eco-friendly & sustainable. Machine wash and dry, durable and long lasting. Ethically produced in India from small farmer sourced cotton. 95% organic cotton jersey / 5% lycra stretch formulation for extra comfort.