Columbia Trailborne Shell, Black. Waterproof and breathable shell jacket with Omni-Tech™ technology and fully taped seams to keep rain and moisture out. The durable 2.5-layer construction combines with ventilation openings under the arms for increased comfort during activity. Adjustable hood, hem and cuffs provide extra protection from the elements, while the two-way zipper provides better freedom of movement. The jacket can be packed into its own pocket and has reflective details for increased visibility.