Non-smoking household. My son is too tall for these now (he is just over 4 ft tall). We love these, waterproof and warm. Zip fly with snap closure, Exterior adjustable waist, Front snap pockets Lined, with THERMOLITE® ECO92 92% recycled polyester, 8% polyester insulation 100% recycled polyester with 100% nylon trim Machine wash, tumble dry No stains, or tears other than some wear on the bottom of the pant leg where his heel stepped on the pants.