Prevail · Long Boxer Brief
Previal was born from a simple belief: every man deserves the luxury of effortless performance. When heat builds and fabric restricts, our engineered knit becomes like a second skin—cooling when you push hard, supporting when you move fast. Strategically placed airflow works with your body's natural cooling system, while ultra-light stretch adapts from office hours to high-intensity training.
- Breathable design
- Smooth 4-way stretch
- Moisture wicking finish
- Quick dry
- Seamless leg openings
- Antibacterial
- Odor resistant
FABRIC & CARE INSTRUCTIONS
- 85% Polyamide (Nylon), 15% Elastane (Lycra®)
- Certified Safe: OEKO-TEX® STANDARD 100 #HKKH 029897 by TESTEX
- Machine wash warm, hang dry, wear often
Size & Fit Suggestion
- Reviews say the fit is True To Size. Aeroskyn™ is designed to stretch and form to your unique physiology. We recommend using our size chart as a guide.
- Model is 6'1", 175lbs, wearing size M.
Best Pair Guarantee
If you're not satisfied with your first purchase, we'll make it right by issuing a refund or exchanging the item even if it has been worn. So If you've ordered multiple pairs of Aeroskyn on your first order, we suggest wearing one pair before opening the other pairs you've ordered.
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- RTReed T.Verified BuyerReviewingPrevail · Long Boxer Brief MRated 3 out of 5 stars7/31/25Tardy But Worth It
Late by 2 days from the estimate, but to be fair, so am I to most things. The underwear fits great at least!
UUnderXLabs8/2/25Hi Reed, thank you for your review of our underwears. We deeply appreciate your feedback. We're thrilled you found the fit great, but we're sorry the delivery was tardy. We'll share this with our team to improve shipping timelines. We're committed to enhancing our service to ensure prompt delivery.
- ZAZev A.Verified BuyerReviewingPrevail · Long Boxer Brief SRated 3 out of 5 stars7/22/25Protective Packaging Win
Outer box was damaged in transit, but the inner product packaging did its job perfectly. Zero effect on the actual underwear quality.
UUnderXLabs7/24/25Hi Zev, thank you for sharing your thoughts on our underwears. Your perspective is greatly valued. We're sorry the outer box was damaged, but we're glad the inner packaging protected the product. We'll share this to improve outer packaging durability. We're committed to enhancing our service for flawless deliveries.
- MSMax S.Verified BuyerReviewingPrevail · Long Boxer Brief MI recommend this productRated 5 out of 5 stars7/10/25Pill-free fabric
Flag football was easier. Sprinting routes with no distractions. Quarterback noticed.
- LWLen W.Verified BuyerReviewingPrevail · Long Boxer Brief LI recommend this productRated 5 out of 5 stars7/10/25Perfect for sensitive skin
While nearly perfect, I wish they offered more color options. The performance is excellent regardless.
- OVOdin V.Verified BuyerReviewingPrevail · Long Boxer Brief SI recommend this productRated 5 out of 5 stars7/10/25Travel must
These solved my constant problems with underwear becoming uncomfortable by midday. They stay fresh and comfortable all day long. The fabric is soft yet durable, holding up well through many washes. The waistband stays perfectly in place without being too tight. Worth the investment for daily comfort.
- OPOran P.Verified BuyerReviewingPrevail · Long Boxer Brief SI recommend this productRated 5 out of 5 stars7/9/25No more awkward moments from visible underwear lines
As an executive assistant who's constantly on the move, I need reliable underwear.These stay perfectly positioned whether I'm running between meetings, organizing files, or prepping the conference room.
- MHMario H.Verified BuyerReviewingPrevail · Long Boxer Brief SI recommend this productRated 5 out of 5 stars7/9/25I wear them constantly
The moisture control is impressive - stayed dry through a full day of back-to-back meetings and a gym session. Only wish they came in more neutral office-appropriate colors.
- ELEvan L.Verified BuyerReviewingPrevail · Long Boxer Brief SI recommend this productRated 5 out of 5 stars7/9/25Feels velvety soft
The comfort difference between these and regular underwear is immediately noticeable. They feel like you're wearing nothing while still providing excellent support. The fabric is incredibly soft and breathable, preventing that sweaty feeling I used to get. They don't have any irritating seams or tags that cause discomfort. After several months of daily wear, they still look and feel like new. Already planning to buy more to replace all my old underwear.
- SRSebastian R.Verified BuyerReviewingPrevail · Long Boxer Brief XLI recommend this productRated 5 out of 5 stars7/8/25The perfect underwear for both work and weekends
First time wearing them skiing and no bunching or cold spots. The moisture wicking kept me dry all day. Might be my new winter adventure essential.
- VGVander G.Verified BuyerReviewingPrevail · Long Boxer Brief LI recommend this productRated 5 out of 5 stars7/8/25Didn't believe the hype
Business school interviews became less stressful with these.They provide just enough support to keep me confident while remaining completely invisible under my interview suit - one less thing to worry about.