Herschel Supply Co. - Retreat™ Backpack. Color Darkest Spruce Winter Plaid. Low Stock. On sale for $98.95. MSRP $110.00.. 1 left in stock+19Brand NameHerschel Supply Co.Product NameRetreat™ BackpackColorDarkest Spruce Winter PlaidPrice$98.95MSRP: $110.00Rating