SoftPak Ice Chest Cooler Be sure to check out our new 12-Can XD Series SoftPak! This isn’t your mom’s old personal soft-sided cooler. This Made in USA cooler packs a serious punch. The Bison SoftPak is tough as nails and keeps ice for up to 24 hours in 120 degree heat. Wrapped in a heavy duty 1000 denier vinyl shell