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Men's Athletic Shorts Built for the Gym and Beyond
San Francisco-born and performance-driven, these men's athletic shorts are designed for the guy who doesn't stop moving when the workout ends. Whether you're mid-rep, mid-run, or grabbing coffee after a Saturday session, you'll find cuts and fabrics here that hold up to both.
Training Shorts. Cut with four-way stretch performance fabric for full range of motion — squats, lunges, HIIT sessions, whatever's on the program.
Running Shorts. Lightweight and moisture-wicking with a minimal profile that stays out of your way on long runs or track days.
Hybrid Shorts. The crossover cut — structured enough for the street, functional enough for the gym. A men's athletic short that earns its place in both settings.
Pull-On Shorts. Clean elastic waistband, relaxed fit, pima cotton or performance blend options. The casual end of the collection without sacrificing build quality.
What makes a good men's athletic short for everyday training?
A good men's athletic short for everyday training needs to move with you, not against you. Four-way stretch fabric is the baseline — it allows full range of motion without pulling at the seam when you squat or lunge. Moisture-wicking construction keeps you dry through longer sessions, and a well-placed waistband (not too tight, not slipping) keeps everything locked in place. Inseam length matters too: shorter cuts work for running and mobility work, while a mid-length inseam handles gym training and transitions better off the floor.
What's the difference between men's running shorts and men's workout shorts?
Running shorts are built for speed and ventilation. They're typically lighter, shorter in inseam, and cut with a looser outer shell or split hem to allow stride without restriction. Men's workout shorts are built for durability and range of motion — thicker fabric, more structured fit, and designed to hold up through resistance training, floor work, and conditioning. Some hybrid styles bridge both, but if you're logging serious miles or serious reps, the right tool for each helps.
How should men's athletic shorts fit?
Men's athletic shorts should sit comfortably at the waist without digging in or sliding down during movement. The inseam length is largely personal, but a 5-inch to 7-inch inseam covers most training use cases without restriction. In the seat and thigh, you want enough room to move freely without excess fabric bunching during squats or cycling movements. If you're between sizes, go up for training shorts and down for running styles where a cleaner fit reduces drag and chafe.
Are these shorts good for both the gym and casual wear?
Yes, and that's the point. The hybrid and pull-on styles in this collection are specifically designed to move from a workout to a weekend without a costume change. Clean minimal aesthetic, quality fabrics like pima cotton, and a structured silhouette mean they don't read as pure gym wear on the street. Pair them with a clean tee or a lightweight layer and they hold their own outside the weight room.
What fabrics are used in these men's athletic shorts?
Depending on the style, you'll find pima cotton for softer casual-leaning cuts, moisture-wicking performance blends for high-output training, and four-way stretch fabric across most of the training and running styles. Pima cotton is notably softer and more breathable than standard cotton, which matters on rest days or when the shorts are doing double duty off the gym floor. Performance blends prioritize sweat management and durability through repeated wash cycles.
How do I wash men's athletic shorts without wrecking the fabric?
Machine wash cold on a gentle cycle and skip the fabric softener. Softener degrades moisture-wicking coatings over time, which shortens the functional life of performance fabrics. Tumble dry on low or hang to dry if you want to extend the elasticity of the waistband and stretch fabric. Avoid high heat in both the wash and dryer. For pima cotton styles, cold wash still applies — heat causes cotton to shrink and can affect the fit you sized into.
What inseam length should I choose for men's workout shorts?
For most gym training, a 5-inch to 7-inch inseam is the practical sweet spot. A 5-inch cut gives you maximum mobility for squats and jumping movements but can feel shorter off the gym floor. A 7-inch inseam reads more versatile and works well from training sessions to casual wear. Runners often prefer a 3-inch to 5-inch split or notch hem for full stride clearance. If you're taller or prefer more coverage, sizing up in inseam length rather than waist size is usually the right call.
Are men's athletic shorts with a liner worth it?
Built-in liners add support and reduce the need for a separate layer underneath, which most guys appreciate for running and HIIT-style workouts. For heavy strength training or longer sessions in the gym, some people find liners restrictive and prefer a separate compression short underneath. The shorts in this collection are designed with that flexibility in mind. Check the individual product description for liner details, since it varies by style.
How is this brand's approach to men's athletic shorts different?
Founded in San Francisco with a focus on the guy who trains hard and lives full days outside the gym, the brand builds men's athletic shorts that don't force a tradeoff between performance and aesthetics. Fabrics are sourced for actual quality, not just spec sheets: pima cotton where softness matters, performance blends where output demands it. The fit philosophy is clean and proportional, not oversized or gym-bro boxy. Sizing runs from small through XXL with a consistent cut across the range, and every style is designed to hold its shape through regular training use and repeated washing.
MYLES 5 YEAR QUALITY GUARANTEE
Every piece of Myles gear is made for the long run, which means it’s built to last. That’s why we promise to replace or help fix any items purchased from our website with defects that are not the result of expected wear and tear for 5 years from the time of purchase. It’s the right thing to do for our customers who put their trust in us to deliver durable, quality apparel, and the right thing to do for the planet because poorly made gear turns into waste. If your Myles gear ever truly lets you down, send us a note at contact@mylesapparel.com. We’ll work with you to find a solution and make things right.
FREE RETURNS & EXCHANGES FOR 30 DAYS
We’re happy to offer free, no-hassle returns and exchanges on all domestic orders unless the item is marked as Final Sale on our website. Returned items must not have been worn, altered or washed and must be sent back within 30 days of placing your order. Please note there will be a $12 shipping and handling fee for all returns, unless order protection was purchased.