MIER Waterproof Insulated Backpack Cooler vs Polar Bear Soft Side Cooler Backpack

The main difference between the MIER Waterproof Insulated Backpack Cooler and the Polar Bear Soft Side Cooler Backpack is that the Waterproof Insulated Backpack Cooler has Sternum / Chest Straps (Sternum strap) while the Soft Side Cooler Backpack does not.

MIER Waterproof Insulated Backpack Cooler Front View
Polar Bear Soft Side Cooler Backpack
Specs Brand MIER Polar Bear
Name Waterproof Insulated Backpack Cooler Soft Side Cooler Backpack
Category Cooler Cooler
Sub Category Outdoor Outdoor
Capacity (L) 30L
Dimensions (in) 12.75 x 8.5 x 27.5 18 x 12 x 7
Weight (lb) 3.9 5
Fabric Tarpaulin Rugged 840D Nylon, High density Insulation Foam
Color 3 colors and patterns Black, Silver
Warranty MIER Limited Warranty Polar Bear Limited Lifetime Warranty
Release Date July 10, 2019 March 3, 2021
Rating 4.2 4.6
Price Under $100 Under $150
General Features Shoulder Straps Ventilated padded shoulder straps Adjustable padded shoulder straps
Sternum / Chest Straps Sternum strap
Hip Belt / Waist Strap Waist strap with small zipped pockets
Zippers Heat-welded seams and zipper-less design YKK #10 heavy-duty zipper and buckles
Main Compartment Access Rolltop access Top zipped access
External Pockets 1 front mesh pocket and 2 side pockets Front zipped and mesh pocket plus 2 side pockets
Internal Compartments Interior with thick premium thermal insulation Roomy insulated main compartment
Side Pockets Side pockets can fit water bottle and other accesories Side pockets can fit water bottle
Water Bottle Yes Yes
Handles Top grab handle Dual tote grab handle
Loops and Attachments Bungee cords, daisy chains and adjustable webbing straps with buckle closure Bottle opener
Travel Features Base / Bottom Heavy-duty EVA reinforced bottom
Hiking / Backpacking Features Back Panel 2″ thick padded backrest
Reflective Safety Strips Reflective stripe
Anti Theft Features Cut / Slash Proof Material Tear resistant shell

You're currently comparing the Waterproof Insulated Backpack Cooler by MIER against the Soft Side Cooler Backpack by Polar Bear .


MIER 's Waterproof Insulated Backpack Cooler is a Cooler backpack with Outdoor features while Polar Bear 's Soft Side Cooler Backpack is a Cooler backpack with Outdoor features.

The MIER Waterproof Insulated Backpack Cooler has a capacity of 30L (liters), weighs 3.9 pounds and it's dimensions in inches are 12.75 x 8.5 x 27.5. It's made of Tarpaulin and is available in 3 colors and patterns in comparison the Polar Bear Soft Side Cooler Backpack 's capacity is with a size of 18 x 12 x 7 inches. Constructed from Rugged 840D Nylon, High density Insulation Foam it weighs 5 pounds and is available in Black, Silver.