Jon Slim Tapered Fit Performance Dress Pant Blue


A modern dress pant for the man on the move!

  • *Due to the nature of this fabric, we recommend sizing UP 1 waist size on the Jon (if you are normally a 32, try the 33)
  • 86% Nylon, 14% Elastane
  • 14-Ounce fabric
  • Leg opening is 6 inches across on size 32-28
  • Hidden zip pouch on right pocket
  • Ample stretch for all-day comfort
  • One button closure with zip fly
  • Machine wash in cold water, air dry 
  • Imported

Our revolutionary Jon dress pant will change your life. Made from a substantial 14-ounce stretch fabric, it feels and looks refined enough for the boardroom but has the stretch of an athletic pant. The Jon is more than stretchy enough to wear to the gym and will be your new best friend next time you’re sprinting to catch the subway. We designed the Jon to fit you perfectly off the rack; a clean silhouette with a sharp taper down the leg to look great with sleek dress shoes.  Pair it with our white stretch dress shirt for an outfit as relaxing as your vacation days! 

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Customer Reviews
5 Based on 3 Reviews
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Stephen L.


Excellent love them. Awaiting the gray color.

Under 5'10

Stephen, Glad to hear you're loving the Jons! They're our favorite pants too! The gray color is on its way so keep an eye out in the coming months!

Chayim C.

Simply the best pants. Ever.

These pants are not only ultra comfortable and feather-like light weight stretch, they also are machine wash and don’t get creased when I fall asleep ***** af in them! That’s right, I’m still looking crisp the next day at the corporate round table closing every deal even after sleeping in these bad boys. Thanks Under510!!

Under 5'10

Chaim, Wow sounds like these pants are going through a lot right now! Glad to hear that they are helping you conquer the world! Looking forward to your next purchase ;)

Craig G.

Best fitting pants I have ever had

These are not only the best fitting pants that I have ever had they are also the most comfortable pair of pants that I’ve ever worn. Perfect fit; no need for tailoring. Well worth the money. The salesman are courteous, respectful and do not make you feel pressured into buying anything. I guess that’s because the clothes sell themselves. If you don’t go to this store you’re losing out.

Under 5'10

Craig, Thanks so much for your kind words! Experiences like yours are what keeps us motivated to keep making Under 510 a complete one-stop-shop! We look forward to your next purchase and stay tuned for more great products coming soon!