Popsugar Health & Fitness Under Armour Best Gym Bags 2018 Wave Goodbye to Your Paycheck — We Found the 11 Best Gym Bags of 2018 29 March 2018 by Krista Jones View On One Page Photo 9 of 11 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 Adidas Squad III Duffel Bag Haul around all your gym gear in this convenient Adidas Squad III Duffel Bag ($45). Previous Next Start Slideshow ShoppingUnder ArmourFitness Gear