Classic satchel style messenger with a durable ballistic nylon exterior and lightweight nylon liner interior Secure Velcro closure allows quick access to your goods Timbuk2 memory-adjust cam buckle on the shoulder strap eliminates the need for daily fit adjustments Watertight flap construction keeps water out Slash pocket on the back wall fits most 13"/15" MacBook's in a sleeve (Junior and Senior respectively) Secure hook and loop closure allows quick access to your goods This streamlined, satchel-style bag is built for speed. Über-simple and lightweight, it's perfect for grab it-and-go errands or commutes. A Velcro strap with watertight flaps keeps everything safe and sound, including your laptop, which you can tuck into the internal slash pocket. Off you go.