Jersey-Knit Adult Onesie Footed Pajamas in Heather Gray Drop Seat:No They have a comfortable cotton

They have a comfortable cotton rib-knit cuff at the wrist and ankle

M      13"    19"     8"

this 5-piece suit will have you looking jolly from head to toe

non-skid soles for child's safety

Jersey-Knit Adult Onesie Footed Pajamas in Heather Gray Drop Seat:No They have a comfortable cottonThis gray onesie for adults is made of jersey knit, 93% cotton and 7% polyester, which provide a breathable and very soft quality. It's never too hot and never too cold, and you will want a spare in your closet at all times. The big feet let your toes wriggle about for a free and pleasing experience. Ribbed wrists prevent the material from getting dirty or wet. These grey onesie pajamas are perfect for couples who can never find that right temperature