Made of 100% organic cotton. Very relaxed and cozy. Please note the last 4 photos are from the Pottery Barn website, everything before that are photos of the actual PJs. 220-gram weight. Machine wash is warm, gentle cycle. This pattern is no longer available from PB but if you need other sizes (adult and kids) you can definitely find some online. STANDARD 100 by OEKO-TEX® Certified: WSI Certificate #: 14.HUS.42449: tested for 350+ harmful substances to keep you and your family safe from chemicals common to textile manufacturing. NECK: 7" dia CHEST CIRCUMFERENCE: 44" ARMHOLE:10.5" WAIST (RELAXED): 29" WAIST (EXTENDED): 41.5" INSEAM LENGTH: 30"