NWT Heirloom Gardening Bib Overalls: A Bumper Crop of Functionality Thanks to your feedback, we've uprooted our original bibs and replaced 'em with Heirloom Gardening® Bib Overalls, built better in every way. First thing you'll notice is the 4.8-oz. DuluthFlex® ripstop fabric. It's incredibly tough and lightweight, plus it sheds stubborn stains like ground-in grass. Plus we've added 4% spandex to the nylon fabric and built elastic into the straps so you can bend without binding. The upgraded hardware stays clipped when you lean down to deadhead or reach up to prune. A Crouch Gusset® lets you kneel without constriction. Double-chapped legs give you twice the durability, and double-layer articulated knees have a bulk-free bonded water barrier to keep you dry when you kneel in damp soil. And they're made to fit our knee pads when you need cushioning from rough terrain. Best of all, there's our usual plethora of 12 pockets. You'll dig 'em!