Herschel Supply Co. - Herschel Retreat Backpack. Color Twill/Ivy Green. Low Stock. On sale for $82.46. MSRP $110.00.. Add to favorites. 0 people have favorited this2 left in stock+3Brand NameHerschel Supply Co.Product NameHerschel Retreat BackpackColorTwill/Ivy GreenPrice$82.46MSRP: $110.00Rating