Adventurist Backpack Co. Classic BackpackAdventurist designs minimalist backpacks and other travel essentials. Our backpacks are made with ultra durable, water resistant 1000D polyester and vegan leather straps. They are designed with dual front + back padding to ensure protection for all of your belongings. CLASSIC FEATURES Ultra Durable 1000D Polyester Water Resistant Front Back Padding for Increased Protection, Shape Hold, and Weight Distribution Synthetic Leather Straps w Magnetic Snaps