This is the CITY PACK 2 Ultra from Aer. This model is usually made with Cordura nylon, but this is a limited edition model released to commemorate the 10th anniversary. I purchased this myself from the official website when I was in the US. Please rest assured. Reference domestic retail price: 45,100 yen The City Pack 2 Ultra is a backpack designed for modern city life. It has a smart design and functional pockets to organize and store everyday essentials. It also has an ergonomic harness system for all-day comfort. The material uses Challenge Sailcloth's Ultra400X, which is overwhelmingly superior in abrasion resistance compared to nylon and is about 20% lighter. Ultra is a fabric made with UHMWPE (ultra-high molecular weight polyethylene), which is water-resistant and boasts 15 times the strength of steel by weight. ■Features Uses Challenge Sailcloth's Ultra400X YKK zippers Duraflex hardware Lightweight nylon ripstop liner Easy-to-grab and convenient top & side handles Soft-lined and padded hanging laptop pocket (accommodates up to 16-inch Macbook) Quick-access top pocket for storing small items Front pocket for smart storage of daily life essentials Ergonomic harness system for comfort and fit Water bottle holder Pass-through function for luggage bars Hidden pocket for smart trackers ■Dimensions Length: 46cm Width: 30cm Depth: 14cm Weight: 970g