DESIGN & DETAILS: Synthetic fill insulation Lightweight and durable micro polyester shell resists water and abrasion Fully adjustable deep pocket mummy hood or extra comfort Zipper draft tube keeps cold air out Hang loops at foot box base for long term storage Compression sack included Designed for three-season comfort Lightweight and durable micro polyester shell is water and abrasion resistant, while the inner liner is designed to retain warmth copy point copy point