cocooned

kəˈkuːn

verb

envelop in a protective or comforting way.

we felt cold even though we were cocooned in our sleeping bags

wrap,swathe,bundle up,swaddle,sheathe,muffle,pad,cloak,enfold,envelop,surround,encase,enclose,cover,fold,wind,lap,protect,keep safe,keep from harm,safeguard,shield,defend,shelter,screen,look after,take care of,care for,cushion,insulate,isolate,cloister