Herschel Supply Co. - Herschel Retreat Backpack. Color Black Iris/Twill. Low Stock. On sale for $98.95. MSRP $110.00.. Add to favorites. 0 people have favorited thisLow Stock+3Brand NameHerschel Supply Co.Product NameHerschel Retreat BackpackColorBlack Iris/TwillPrice$98.95MSRP: $110.00Rating