The ultimate training shorts fit
"The ultimate training shorts fit perfectly and are very comfortable. I use them for everyday gym use and never have an issue. They are lightweight, look great, and are perfect for working out or everyday wear."
Technical performance short with an exposed anti-chafe compression liner
Sorry! This item is out of stock
Meet the Ultimate Training Shorts. The only shorts you'll ever need for performance and all-day comfort. Featuring split side seams, an anti-chafe liner, and serious stretch fabric, they're designed for effortless movement during your toughest workouts. Between sets or sprints, rest easy knowing your essentials are secure with dedicated phone pockets and a dual-layered drawstring waistband that keeps everything in place.
Best For:
Weightlifting, Running, HIIT, Cycling
Fabric
Made of an 86% Polyester/14% Spandex 4-way stretch fabric, allowing you to squat deep, jump high, and rock every movement in between.

Liner
78% Polyester / 22% Spandex boxer brief liner made with a moisture-wicking close knit mesh and an antimicrobial finish for all-day freshness, comfort, and breathability.

Fit
Feel locked-in without restrictions with split side hems and a dual-layer elastic waistband with an internal drawstring.

Pockets
Yup, it's got 5. Two liner pockets, two side pockets, and one secure zipper back pocket.
Care Instructions
Machine Wash Cold, Tumble Dry Low
Recommended For You
Overall rating: 4.836842 / 5 from 570 reviews.
The Midnight Marines 4" Ultimate Training Short is praised for its retro look, vibrant colors, and perfect length. Customers appreciate its great fit, quality, and design. The material and feel are also highly commended, though some mention the liner can be tight and fuzzy.
Review topics: [size, fit, length, support, waist, color, fabric, problem, weight, movement, material, legs, look, stretch, pockets, pants, style, feel, design, liner, quality, comfort, cut, addition, pattern, fun, surprise, pair, boys, flexibility].
"The ultimate training shorts fit perfectly and are very comfortable. I use them for everyday gym use and never have an issue. They are lightweight, look great, and are perfect for working out or everyday wear."
"The ultimate training shorts fit perfectly and are very comfortable. I use them for everyday gym use and never have an issue. They are lightweight, look great, and are perfect for working out or everyday wear."
"Awsome shorts, love the color, chubbies always great, great company, own alot pairs, a must buy."
"Best choice for CrossFit. No slipping or pulling up. Own around 4 of this and always get complements and super comfortable"
"Awesome shorts like always with a great pattern and colors!"
"The best active shorts on the market. Loved them so much I purchased them in multiple colors. Great for the gym and hiking because of the liners and stretchy fabric."
"These are great! The other pair I have is the reason I cam back for more Chubbies. Quality stuff!"
"Bought these as a gift for my husband and he absolutely loves them. Super comfortable and very stylish."
Free Shipping
For Chubbies Collective members on US orders $50+
Secure Payment
Safe Shopping Guaranteed
Support Mental Health
Every purchase supports Foundation 43's mission to expand access to effective mental health care.
Learn More