Stretch Double Knee 4.0 - 1620 Workwear, Inc


Stretch Double Knee 4.0

Stretch Double Knee 4.0


Size Chart
Uniform Blue
Hunter Green

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Stretch Double Knee 4.0

  • Body-mapped crotch gusset with contrast 4-Way stretch Durastretch Fabric
  • Durable water repellent finish
  • Bombproof Double Weave TWEAVE Durastretch Fabric engineered with a proprietary Cordura/Nylon/Spandex Yarn Blend.
  • Dual Rear Pocket Design - YKK Reverse coil zippered rear Pocket and Signature 1620 Angled back pocket
  • Right Side Mobile/Utility Pocket
  • Left Side Utility Pocket
  • Dual left and right hand watch pocket compatible with XL size mobile device
  • Knife Clip Gusset on each side
  • YKK zippers
  • 3/4" wide belt loops
  • Double Knee Reinforced Front
  • Extra Deep Front Pockets
  • 3M Reflective 1620 Logo on left rear yoke
  • Fabric woven in the USA | Pant sewn in the USA

  • 11oz Tweave Durastretch Fabric
  • Burly Double Weave Construction
  • Wicking and quick drying
  • Water repellent finish
  • Proprietary core spun yarn technology
  • This fabric was developed for use by the US Special Forces as fabric that would be literally fail proof and last for months of use and abuse down-range
  • Machine Wash Cold, Tumble Dry Low, Avoid Harsh Detergents
  • Woven in Massachusetts
    We take pride that our products are hand crafted right here in the USA. As such, we stand behind the quality and workmanship of our products. 1620 Workwear, Inc. warrants its products to the original owner against defects in materials and workmanship for the lifetime of the product. Our warranty does not cover any damage caused by neglect, improper care, accident, or normal wear and tear. If your product fails due to a defect in materials or workmanship, we will repair or replace it, at our discretion.

Stretch Double Knee 4.0

Customer Reviews

Based on 14 reviews

Nice pants. Very flexible and the durability and craftsmanship seems awesome.

Jeremy Warren
Great Pants!!! PLEASE Make These in Slim Fit

I just received my first pair of Stretch 4.0 pants. The material on these pants are amazing. The pocket design and layout is fantastic. My only complaint is that the stretch material pants are not yet available in a slim fit. I have 4 pair of the Slim Fit Utility Pant 2.0 that have become my go to pants that I wear every day. I am 6'3", 205 and the slim fit pants are a perfect fit and look great, but in the summer heat, the NYCO material pants do get hot. 1620, if you can make the Stretch 4.0 pants in Slim Fit, this would be the perfect lightweight, durable work pant (IMO). I came across 1620 Workwear earlier this year, and I can say that they make the best workwear that I have put my hands on so far.


Initially bought one pair and turned around and bought two more after wearing them awesome!


Initially bought one pair and turned around and ordered 2 more. Quality and comfort is outstanding.

Jose Corrales Jr
4.0 are the Best Pants Period

When it comes to 1620 pants. They're the best. I have almost every type of 1620 work pants, and the Stretch Double knee 4.0 are the Best of them all. Working with wet concrete could be a challenge for any type of clothing. Not for 1620, the concrete comes right off. They still look New. As soon 1620 stocks up on the Stretch Double Knee 4.0. I'm buying two of every color. 1620 can you bring back the Khaki, and add colors like Dermitasse and Hunter Green. It would be awesome if 1620 introduced the Sand color into the Lineup.