Machine-washable jackets retain their waterproofing better than those that require dry cleaning. Jackets with outer shells made of tightly woven nylon or polyester are less susceptible to tears than those that are all cotton or made of microfibers. Even if a material is waterproof, water can still get in through seams that are not sealed, so look for jackets with sealed seams. In addition, Thinsulate insulation is hypo-allergenic, odorless, breathable, durable and easily dried. Make sure your jacket isn't too tight.
Extra space needs to be available for layers of clothes.
Collars and cuffs. A knitted cuff on the inside of the collar adds another barrier to keep out the cold. Sleeve cuffs should be adjusted to keep snow out and to keep heat from escaping. Snug, ribbed and knitted ones are best. Oversized zipper tabs are easier to use when wearing gloves or mittens.