Acceleration Performance Shorts


Important sizing note: Please size up in these! The Black and Lavender Acceleration Shorts fit slightly smaller than the Grey and Sky Blue Acceleration Shorts.

The Performance Shorts You've Always Wanted!

We reinvented our comfort shorts to make them a high performance item. High waisted, performance tech material, deep pockets, full back coverage and a draw string to lock down all of your performance needs!


  • High Waisted
  • Ultra soft and stretchy
  • Can be worn in various settings seamlessly

Materials & Washing Directions:

  • Machine wash cold
  • Hang dry or dry on low heat





X-Small 0-2 Under 25"
Medium 8-10 27-28"
Large 12 - 14 29-30"
X-Large 16 - 18 31-32"

Customer Reviews
4.6 Based on 16 Reviews
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Erin B.
United States United States

I found the Large to fit more like a medium-small size. It was my first time ordering and wish they fit true to size :( I love the short overall the material and pockets are great!! it was just small. I am normally a L-M in sizing so I was surprised the L was small.

Four Thirteen Apparel

Hey Erin! We are so sorry about this! The great news is that for the new ones dropping Sept 20th, they will be 100% true to size. The large that you currently have will be increased 2 inches by 2 inches all the way around along with an improved and stretchier waistband! Thank you so much for the feedback and we are so excited to have it corrected moving forward!

Judi K.
United States United States
Comfy but sizing seems small

Love the material if the shorts and how comfy they felt but... I got a medium and they were soooo tight. I usually wear mediums but these were a no go for me. Definitely would size up!

Four Thirteen Apparel

Thank you so much for the review! You are 100% correct and this upcoming collection we have ensured they are true to size! We really appreciate your feedback and we promise they won't be so tight anymore!

Katarina H.
United States United States
Literally perfect!

I buy athletic clothes and shorts from several brands and these blew my mind. I feel more comfortable in these than any athletic shorts I’ve ever owned. They are flattering yet comfy! Currently waiting for a restock so I can hoard them!

Megan F.
United States United States
Almost a 5 star

I loved these shorts, they fit great, and were great for running! However after only a few workouts the seam in the waistband let go (the one on the high waist part)and now they are slowly unraveling. I've only washed them on gentle and they have never been put in the dryer. That is the only reason they are getting 4 instead of 5 stars.

Four Thirteen Apparel

Hey Megan! Thank you so much for the feedback! We are working with our sewing teams to ensure that we double stitch the waistbands so this doesn't happen again. We really appreciate the review and it definitely helps us work harder to get that much better!

Tarryn R.
United States United States
New favorites!

These shorts are my new go-to! I jusy hope they add more colors to future launches.