Showers Pass Women's Double Century RTX 100% Nylon Imported The Double Century RTX is a super light and packable shell for long miles in the saddle. Featuring Artex 2.5DC tech fabric, this ultra-light waterproof-breathable cycling jacket offers a drier next to skin feel than your average 2.5 layer jacket. Artex Hardshell 2.5DC fabric is named for the revolutionary Double Charcoal print that wicks moisture and lifts the membrane layer off your skin, offering a softer, drier feel than other 2.5 layer fabrics; without adding bulk The waterproof-breathable membrane and DWR (durable water repellent) finish provide reliable protection from rain and wind.