Lux Mock Neck Jumpsuit

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Classic Lux plus the one-and-done beauty of a jumpsuit, we couldn't resist. This design allows you to go wings out - with timeless mock neck style. The rear zipper at the top of the neck allows easy on/off. The waist is gently gathered with an internal elastic, and the pants will rival your comfiest sweats while still looking dressy.


• Front hand pockets
• Center back zip for entry
• Elastic waist
• Semi-fitted
• 28” inseam (all sizes)


• Classic Lux (polyester / spandex)

Learn more on our Fabrics page.

At Oiselle, our vision is to help all women feel strong and free through the joy of running. Our mission is to design great product, build the sisterhood, and improve the sport. May we all experience the transformative power of sports and community.

Customer Reviews

Based on 5 reviews
This is the best Oiselle item that I own

I had been eyeing this for months--so much so that my browser autofilled to the page that this jumpsuit was on whenever I typed in Oiselle's website. When it went on sale in June, I finally bought it. I'm a performer and wear black a LOT so I thought this would be the perfect addition to my wardrobe...and it is. It's fancy enough that with a cardigan I can wear it for performances, and it seriously feels like I'm wearing pajamas--SO comfy. The pockets are perfect, and it looks great with heels or flats. Thanks to the advice from another reviewer, I folded the waistband down and it looks even more fitted.
I ordered a size small, I usually wear a 4 in O styles. I'm 5' 2" and 135 lbs.

sizing is off

I bought this on sale (yay, me!) However, it was final sale at the time. Which means unless you live near a store (I don't), you're stuck with your best guess on fit. I wear a 2-4 in most tops, 4-6 in bottoms. I opted for the small. The bottom half of this jumpsuit is a bit big, and the top is OK. The styling is adorable, I just wish I had been able to try the XS. I'm guessing it would have been a better fit. So I"m settling for a super cute jumpsuit with a so-so fit.

So comfortable

I’ve been wearing this jumpsuit 2-3 times a week since I got it. It’s truly one of the most comfortable things in my closet, because of both the fit and the material. It’s very soft, the pockets are in the perfect spot, and I love the way the fabric lays. I feel like I look great it in too, so I feel really great wearing it. For reference, I’m 5’8” and 140lbs and I ordered a small.

Sooo comfy

Sizing true to size. This material is incredibly comfortable. Not terrible to unzip to use the restroom.