Whether it's the longest night of the year or the shortest or any other night, for that matter the EMS Solstice 20deg sleeping bag will keep your child nice and cozy when it starts to get chilly. Recommended for colder nights. . . . . Mummy shaped to provide superior heat retention without extra bulk. Omniloft polyester insulation doesnt shift or clump and provides consistent, cozy warmth. Lightweight polyester ripstop shell fabric provides a durable exterior soft polyester taffeta lining feels comfy against your childs skin. Two layer, offset quilted construction traps heat in overlapping layers for even warmth. Hood cinches down around your childs head to prevent heat from escaping. Left zip extra long two way zipper allows your child to kick a foot or leg out when they get too hot. Webbing loops at the bottom provide an easy way to hang the bag and let it air out. Nylon stuff sack included to preserve the bags loft, do not use the stuff sack for long term storage.