Supportive men’s underwear for sports means snug, moisture-wicking boxer briefs, compression styles, or a jockstrap when impact protection matters most.
For the full breakdown, see our best Athletic Underwear For Men guide.
Choosing the right support for training starts with one question: what are you actually doing? A heavy squat session, a long run, and a casual gym visit all demand different things from the fabric against your skin. Get it wrong and you’re dealing with chafing, shifting, and constant readjustment between sets. Get it right and you forget the underwear is even there.
The good news is the market has caught up. Under Armour’s US men’s underwear line, for instance, is built for athletes who want every piece of gear to work as hard as they do, covering boxers, briefs, and undershirts designed with performance in mind.
What Does “Supportive” Actually Mean for Sports?
Support in athletic underwear comes down to two things: holding everything in place and wicking sweat away from the skin. A loose cotton brief might feel fine at a desk, but it turns into a soggy, chafing mess halfway through a workout.
Look for these features when shopping:
- Snug waistband fit: Keeps the garment anchored during dynamic movement, so nothing rides up or shifts.
- Moisture-wicking fabric: Polyester, nylon, or spandex blends pull sweat away from the skin, keeping you dry and preventing friction.
- A defined support pouch: Pouches reduce skin-on-skin contact and rubbing, which is the main practical risk in sports.
- Flatlock seams: Reduce friction points that cause chafing during repetitive motion like running or cycling.
For most gym work and running, a quality pair of boxer briefs with these features is the sweet spot. They offer the coverage of a brief with the leg length of boxers, preventing thigh chafing while keeping everything secure.
Jockstraps: When Impact Protection Is the Priority
If your sport involves sudden movements, hard landings, or direct impact to the groin area, a jockstrap—also called an athletic supporter—is the clearest option. This style is specifically defined as men’s underwear worn to support or protect the sexual organs while playing sports. It’s not casual everyday wear; it’s a purpose-built piece of protective gear.
The design is simple but effective: a waistband with two leg straps and a support pouch that holds everything firmly against the body. This keeps the groin secure and minimizes movement during high-impact activity. For sports like baseball, hockey, or martial arts where impact is a genuine risk, a jockstrap worn with a protective cup is the standard, and often required, setup.
For less violent activities like weightlifting or running, the extra support of a jockstrap can still be a preference, but a high-quality pair of compression boxer briefs will handle the job. Compression underwear offers a similar level of snugness with more coverage and modern fabric technology.
Key Differences: Boxer Briefs vs. Compression vs. Jockstrap
The table below lays out the main differences so you can match the style to your activity.
| Style | Best For | Key Benefit |
|---|---|---|
| Boxer Briefs | Gym, running, daily training | Versatile coverage, wicking, all-around comfort |
| Compression Shorts | High-intensity training, leg day | Muscle support, snug fit, reduces chafing |
| Jockstrap | Impact sports (baseball, hockey, MMA) | Maximum support & protection for the groin |
| Trunks | Lighter workouts, casual wear | Shorter leg, less fabric, modern style |
For a detailed breakdown of the best options on the market right now, our tested roundup covers the top-rated athletic underwear for men to help you make the call.
How to Choose the Right Pair for Your Sport
Start with the demands of your activity, then work backward. For a marathon training block, prioritize long-leg boxer briefs with flatlock seams to prevent thigh chafing. For a heavy squat program, compression shorts keep everything locked down and offer a slight muscle-support effect. For a weekend softball league, skip the debate entirely and go with a jockstrap and cup.
Fabric matters as much as style. Cotton holds moisture and causes friction, so it’s the wrong choice for any athletic endeavor. Look for synthetic blends—nylon, polyester, spandex—that wick sweat and dry quickly. Brands like Under Armour and ExOfficio have built their athletic lines on these materials, and their US product pages reflect a focus on performance-specific construction.
GQ’s guide to the best underwear for working out echoes this logic, emphasizing that the right pair disappears into your workout. If you’re constantly adjusting or aware of your underwear, it’s the wrong pair.
FAQs
Can I wear a jockstrap for everyday use?
You can, but it’s not designed for it. Jockstraps lack the moisture-wicking coverage of boxer briefs and offer no thigh protection. They’re purpose-built for sports and physical activity where groin support and protection are the primary concerns. For daily wear, a supportive boxer brief is more comfortable and practical.
How often should I replace athletic underwear?
Most performance underwear loses its elasticity and wicking ability after about six to twelve months of regular use, depending on how often you wash it. When the waistband starts to stretch out or the fabric feels thin, it’s time to replace it. Worn-out support means less support and more chafing.
Do I need a cup with a jockstrap?
Only if you’re playing a sport where impact is a real threat. Baseball, hockey, and martial arts typically require a cup. For running or weightlifting, the jockstrap alone provides sufficient support. Check your league or gym’s rules, as many organized sports mandate cup protection.
References & Sources
- Under Armour. “Men’s Underwear.” Official US product line for athletic underwear and undershirts.
- Men’s Health. “The Best Men’s Underwear for Working Out.” 2026 roundup covering support features and fit recommendations.
- GQ. “The Best Underwear for Working Out.” Style-focused guide for athletic underwear selection.