1. Insulation：Soft cooler backpack is insulated most often with either closed-cell foam or insulated beads, both items retain cold well, they can retain ice for up to 24 hours.
2. Handles：For those who always need their shoulders free, a handle cooler might be the best option.
3. Water and UV resistance：With zipper to double the content of the bag, the tail lights, can be placed in the rear bag, offer you a double protection.
