Free Shipping On Orders $85+ in the USA
Flow Bike Short 9" Buttery Soft | Squat Proof | Exceptional Stretch
$ 29.00
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Pay in 4 interest-free installments of $ 7.25 with
Made with buttery soft 4-way stretch fabric with lots of stretch yet opaque. Key features include a high waist, flattering tummy panel, and of course our seam free inner thigh (like our Shortlettes) that won't wear out or tear. Super stretchy and soft similar to our leggings of seasons past with leg pockets and mix and match with our Flow Bra top (sold separately).
Shipping info
Ships in 1-2 business days from our warehouse in Conroe, Texas USA. Free shipping on orders $85+
Care guide
Made in the USA of imported fabric
88% Nylon 12% Spandex
Machine was cold with like colors
Do not bleach, hang to dry.
Rated 4.5 / 5 by 10291 customers

Why do women just like you just love Undersummers?

Honestly great

These are super comfortable. They're cool, and they do wick well so things don't get... Read more...

These are super comfortable. They're cool, and they do wick well so things don't get too humid, which is really nice. I also appreciate that the seams are not anywhere I sit, or that would rub; it's really clever, and it makes these great for when I'm out and about on my bike.


How do Shortlettes work?

Our fabric wicks away moisture & is lightweight to keep you dry and cool.

The seamless inner thigh reduces friction points & eliminates holes between the thighs producing a comfortable barrier of protection.

Our thoughful designs stay put while walking and don't roll down all without squeezing or uncomfortable silicone strips adding to their exceptional comfort.

Seamless Inner Thigh
Silky Stretch
Soft Details
Stay Put Leg
No-Roll Waist
Cotton Gusset
Happiness Guarantee
Thoughtless Tube Fabric Design
No Cotton Liner
Itchy Nylon Microfiber
Rides up when you walk
Rolls at the waist
Limited colors and styles

What makes us different?

Thoughtfully designed with a woman's body in mind, our Shortlettes are more than a slipshort or boxer brief. They are your new favorite everyday undergarment.

Customer Reviews
5.0 Based on 5 Reviews
5 ★
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Diane K.
United States United States
I recommend this product

My first purchase on undersummers

My overall experience was a 10. My only regret is that I should have ordered a size down and I will the next time I order.

Ruth D.
United States United States
I recommend this product

Thicker than I thought

These are nice bike shorts. They are definitely shorts. I was kinda hoping they’d be 2-3 inches longer. The hems are slightly rougher than I had hoped too. I bought these cause I need pockets in my outer ware and wanted shorts since I wear the joggers all cooler weather and needed a summer solution but I’m not in love with the material it feels hot. I wished for a material like the jogger. Something soft thin and breathable but opaque. I wore them. They are ok but not my favourite. Love all my other purchases from undersummers though and highly recommend all her products to soooo many friends.

United States United States
I recommend this product

Flow bike short

Absolutely love them! Super soft and comfortable and so pretty!

M D.
United States United States
I recommend this product

I love mine

I love these shorts. I got them one size larger than what i would normally wear, and they are undetectable under my pants and dresses. The only complaint i have is that they dont come in solid colors, other than black. I got a pair that looks like a psycodelic snakeskin.