The Rain Trekker from Montbell is an incredibly light-weight 6.9 ounce jacket designed to provide warmth, wind protection, and light rain resistance. The Rain Trekker is a 2 layer jacket, built from Gore-tex Infinium Windstopper. This is a very light weight material that is composed of a thin outer fabric layer, and a breathable and … More Montbell Rain Trekker Review