Older y2k model but still in excellent condition! 20” x 13” x 9” Size and shaped to fit conveniently into gym lockers; designed with main access to be used while hanging in your locker Single straight zipper provides quick and easy top-side access Front flap compression system conveniently holds a yoga mat, or creates an easy jacket stash location Separate compartment is vented and seam-sealed with waterproof fabric, providing a great place to stash stinky gym shoes or a damp bathing suit Side bottle pocket fits 1 liter bottle Back panel zippered pocket has fleece-lined slot pockets for quickly stowing phone, MP3 and small accessories Interior zippered mesh pocket separates small clothing articles from main compartment Adjustable-length shoulder strap with sliding shoulder pad provides comfort and secure single-shoulder carry