The Black Diamond Treeline Rain Shell Waterproof Jacket will be a great choice for all lovers of mountain activities. Its features will be appreciated in both summer and winter, and thanks to the use of extremely durable and resistant nylon, it will last you many seasons.Ideal for the transitional period. Suitable for summer and winter. A classic style to complement your wardrobe. Made from the finest materials. Equipped with BD.dry™ 2.5L membrane. Waterproof: 10,000 mm rainfall. Breathability: 10 000 g/m2/25h. AquaGuard® zippers from the renowned YKK® company. Waterproof DWR treatment slows down the jacket from getting wet. Ventilation hole on the back. Two mesh side pockets improve air circulation. Hood is helmet compatible. Drawcord at bottom hem. Cuff circumference can be adjusted with Velcro.