The Everyday all-purpose carry all. In continuous production since 1989, the Classic Messenger Bag has endured 17 years of field testing and design refinement. Originally built for hard-working bicycle messengers, our flagship product is known for its long lasting, rugged durability. Medium - Some say it's perfect for the gym, others say it's best for a nap on the beach. Fits your towel, a hoodie, a pair of shoes, a water bottle, and sunscreen.