Herschel Supply Co. - Herschel Retreat Backpack. Color Plum Perfect. Low Stock. On sale for $103.62. MSRP $110.00.. Add to favorites. 0 people have favorited thisLow Stock+3Brand NameHerschel Supply Co.Product NameHerschel Retreat BackpackColorPlum PerfectPrice$103.62MSRP: $110.00Rating