These mid-weight pants have a gently elasticated waist with fully adjustable straps tying at the front. Ribbed cuffs to turn back to accommodate as they grow. A mid weight wide-rib knit, in our extremely soft and fluffy new yarn. About the yarn: 48% Organic Cotton, 30% Baby Alpaca, 12% Extrafine Merino Wool, 10% Recycled Nylon At MABLI we always use suppliers that produce safely, give value to people, eliminate toxic and harmful chemicals, consume responsibly and have a traceable and transparent supply chain: Italian spun, Responsible Wool Standard certified, ZDHC (zero discharge of harmful chemicals) certified, mulesing-free, Organic Blend ICEA certified. Care guide: Hand wash on cool wool cycle, dry flat. Always read the care label for full instructions. (Find smaller sizes in our Baby section) Click here for our size guide