The Shadow Solo is a heavy-duty canvas. With a laminated back face, this waterproof textile is the most durable Solo made for the active and outdoors. This is for anyone with a taste for adventure and needs a bag that can go along for the ride. Using master tailoring techniques efficiently maximizes the capacity within this bag. The Solo Sling fits everything you need for the day without waste. Phone, keys, and wallet fit easily with plenty of space for a book, candy, charger, mask, and other daily items.