THE GYM PEOPLEMens' Fleece Joggers Pants with Deep Pockets in Loose-fit Style

Are these fireproof?

does the drawstring go all the way around or is it sewn in the back

My dad has a 34" waist and 6'1, what size should i get that are long enough and and comfortable for lounging??

Are these zipper fly? One answered question says no fly but the picture definately shows one.