Buy the PUMA Accelerator Duffel Bag.

One of these you can actually buy and trust, the other is a listing with nothing behind it.

What was compared

1. It is not even for sale right now
The Under Armour DuffleDISC page says currently unavailable with no restock date given. The PUMA Accelerator has sold over 100 in the past month and ships today, so this is not close, one of them is a real purchase.
2. Nearly 29x the proof it holds up
PUMA sits at 4.7 stars across 3,476 ratings, Under Armour at 4.6 across just 121. A sample that size tells you far more about real-world zippers, seams and strap wear than a handful of early reviews ever can.
3. Tougher fabric, proven by the numbers
PUMA names its build as 600D textured polyester, a specific heavy-duty fabric spec made for daily gym abuse. Under Armour only claims abrasion-resistant panels with no fabric weight given, which is a marketing line, not a number you can check.
4. A real discount beats a phantom price
PUMA is actually ringing up at $23.14 to $30.99 off its own $35 list price today. The $13.59 shown for the Under Armour bag does not match its real market price elsewhere and cannot even be charged, since the item cannot be bought.
5. Yoga mat straps you will rarely unclip
Under Armour's front elastic straps and vented laundry pocket are genuinely nice if you haul a yoga mat to class every single week. Most gym bag buyers do not, and PUMA's shoe pocket and removable strap already cover the daily gym-to-work routine everyone actually uses.