Herschel Supply Co. Retreat Backpack. The Herschel Retreat™ backpack is a streamlined rendition of a timeless mountaineering style, featuring a drawcord cinch closure and a strap detailed top flap. Signature striped fabric liner. Padded and fleece lined 15" laptop sleeve. Adjustable drawstring closure. Magnetic strap closures with metal pin clips. Contoured shoulder straps. Classic woven label. Dimensions: 17" x 12" x 6". Imported.