Ergonomic design 400 threads per inch cotton poplin lining and hood 100% cotton batting in body of carrier to soften edges One inch, high density foam in shoulder straps Quarter inch high density neoprene foam in waist belt High Quality buckles tested by SGS Waist belt circumference from 25" to 43" Fits from 5' to 6'5" body height with adjustable shoulder and chest straps Sleeping hood with elastic, adjusts in length to growth of baby High quality webbing, matched to carrier color Reinforcement stitching used at all fabric intersections Interior rip-stop reinforcements at critical intersections Durability/strength tested up to 90 pounds Machine Washable - cold, gentle cycle