The Active Skin 12, the largest capacity in the series, is here to help you level up your trail running to ultra-distance. The material is soft and breathable, providing an even more stable fit. It also features chest pockets that make it easy to reach for flasks (sold separately). ■ Unisex M size: Bust/97-103cm/38"-41" ■ Item No.: LC2462400 ■ Color: BLUE DANUBE/Blue Curacao ■ Back length (cm): 40 cm ■ Capacity: 12L ■ Weight: 243 g ■ Pockets & Compartments & Other: Key holder x 1 / Stretch front pockets x 2 / Front zip pockets x 2 / Back compartment x 1 This is a new, unused item. Soft flasks are not included. Shipping will be done by folding the item, wrapping it in a compression bag for clothing, and placing it in a cardboard box, using the Rakuraku Mercari Post (anonymous delivery, delivered to the post). 【Easy Hydration】 Two new chest pockets make it even easier to take out and put in flasks. Compatible with 2 x 500ml flasks (sold separately) and a 1.5L bladder (sold separately). 【Precise Fit】 Comfortable and easy to move in, the latest SensiFit design features soft materials and inner mesh. Excellent adjustment features and compression straps keep the load stable. 【Optimal Storage Space】 With plenty of space and secure pockets, everything you need for ultra-trail running is within reach. Also compatible with the Custom Quiver, which is convenient for carrying poles. ●Quick link The sternum strap with an innovative structure allows you to quickly adjust and connect the pack depending on the situation. Also, this strap is highly elastic, allowing you to breathe easily even during intense exercise. ●SensiFit Stability and ease of movement. A lightweight construction with stretchable and breathable fabric allows for fit adjustment. Also, because it fits snugly against the body, the backpack is stable and there is no constricting feeling. Type...Bags Details...Zack/Rucksack Features and Shape...Women's, Men's, Unisex Clothing Size...M