The WKND.50 is not a stash bag. It's a 50 Liter travel bag with just the right amount of features: 

• Removable padded waist belt with two zipper pockets
• Easy access top pouch with address / card window
• Two exterior zipped pockets
• Front compression straps
• Adjustable chest strap with rape whistle
• Padded semi-rigid back pad
• Full zip front