Style Arc Flat-Bottom Flo Review


If you struggle with pants fitting and you have a rather flat behind, this pattern might be for you! Thanks to Jamie, I found out about and ordered this new pattern from Style Arc: the Flat Bottom Flo. You are forced to choose one pattern size when you order. My measurements fell in-between sizes. After asking Style Arc which pattern to order, I ordered the larger size.

I made my first pair out of what I think is cotton lycra from Colorado Fabrics. (Maybe I should learn to do burn tests, eh?). My husband and my sewing cohorts all agreed that the fit looked pretty good without adjustment. So I continued to make 2 more out of patterned ponte knits (poly/rayon/spandex) from Colorado Fabrics (thanks to Jill’s eagle eyes), 1 out of a plum purple ponte knit (poly/rayon/spandex) from Fabric Mart Fabrics, and 1 from a beautiful black double knit wool (wool/spandex) from Elfriede‘s right here in Boulder, Colorado. In the photos, the patterned ponte knit from Colorado Fabrics is on the left, the ponte knit from Fabric Mart Fabrics is in the middle and the stretch wool from Elfriede’s is on the right.

I did make two adjustments: I fixed gaposis in the back by taking in 1.5″ in total at the center back and I took 4″ off in leg length. I tapered the gaposis fix to right below where the yoke meets the main body of the pants. But in looking at the photos below, I think I need to fix the fix to get rid of that bubble in the middle of my backside (see the purple ponte knit). The gaposis fix also required that I shortened the back waist band by 1.5″. Yep, my back waist band is now shorter than my front waist band.

I cut the 2″ elastic to match my waist measurement. And with the slight overlap at the ends to secure the elastic into a loop, the waistband is amazingly comfortable. No more trying to squeeze into 28″ waistbands! No more muffin top!



Now that I look at these photos, it does appear that even more adjustments could be made to the back side. But really, this is starting to get tiring. My earlier pants-fitting efforts are described here. Maybe I should give those Walmart pants a second look.

Anyway, I did notice that the wool tends to be much looser than the polyester pontes. Why is that? I cut the exact same size and the wool *is* a stretch wool. I was very surprised and feel that the wool pants fit more like a sweat pant now.

Overall, I am amazed at the quality of this Style Arc pattern. I don’t think I’ve ever had a pattern where the notches matched up so perfectly. I also think that there a few more notches than in Big 4 patterns. I find this very helpful.

Looking forward, I might try and make additional adjustments to the backside. Or I might try this pattern with a woven. I’ve run into endless problems with my ponte knits pilling and I’m hoping that these new fabrics won’t pill. If they do, I may just have to give up on polyester ponte knits.


  1. I also have a flat butt. In addition to that, I have fleshy inner thighs that do not allow for anything even approaching “skinny legs” pants. It may be the way you are standing, but I see a lot of horizontal wrinkles under your butt particularly with the purple and grey pants. This is knit fabric. If you have that much of a fitting problem with knits, it is a problem. There is no way I could purchase that pattern as it would not help with my issues. Too bad. The idea of a flat ass pattern sounds great.


  2. WOW! You did it they look very nice on you. Although the black ones look like the best fit from the pictures. Maybe the wrinkles aren’t visible, but they all look great!


  3. Perfect fit! I did not know there was a pattern out there specifically for flat bottoms – I’m a long time sufferer of that. Kudos to Style Arc. I love it when entire pattern lines are based on just one feature of the female body – e.g. Sewaholic Patterns based the entire company on pear shaped women.


  4. Lynne, All these look very good! The wool will not have the resiliency of the synthetic knits. Wools need more spandex in them to bounce back than a synthetic would. If you hang them in your bathroom after a shower, then lay them flat, they should bounce back a bit.


We love to hear from you!

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s