Revelry Supply The Drifter Rolltop Odor Absorbing Backpack, BlackThe Drifter Rolltop Backpack Odor absorbing, water resistant the Drifter is Revelry Supply's rolltop backpack, its added storage makes it ideal for those longer adventures. Refresh your bag by simply placing in the dryer for a few minutes until warm to release all absorbed odors. What sets these bags above the rest is their ability to encapsulate odors, preventing their escape, and to protect against water damage. The key to their high functionality