This product combines traditional materials with fresh details. Ripstop fabric with 65% organic cotton, 35% recycled polyester. The tightly knit material is treated with Nikwax Cotton Proof to be water repellent. Jackets made of this kind of material have been used on back country trips for decades, both on foot and on skis, pretty much around the year. When you add Sasta quality to the equation, you know this product is a winner. Sasta is known for unparalleled workmanship, and their products are made for real-world use. Your real world endeavors may be 100% urban or 100% back country oriented, but a Sasta product will serve you regardless. - Wind resistant, extremely breathable material - Water repellent (not waterproof) - Very fast drying - Free of elastane: it's easy to estimate this product will last long - Contoured knees - Stretch section at the waist - Hand pockets and zippered cargo pocket