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Under Armour

Under Armour Mens 3-pack Performance Cotton Trunks Boxer Briefs With 3 Inseam All-day Comfort

$42.00
size6

327+ bought in the past month

Key details

department
mens
date_first_available
March 7, 2025
manufacturer
Under Armour
best_sellers_rank
#83,267 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #80 in Men's Boxer Shorts

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Customer reviews

228 reviewsPositive

Rated 4.4/5 across 228 reviews — well received overall.

  • 100% of sampled reviews are from verified purchases.
  • 75% of sampled reviews give 4–5 stars.

Customers say

Customers find these underwear comfortable and of great quality, with a good fit and lasting durability.

Generated from the text of customer reviews

★★★★★

Comfortable

True to size, comfortable fit, and good quality Read more

FrankVerified purchase
★★★★★

The right medium size when others are too big or too small

Great underwear that's the right size for my 35-inch waist. Most brands' mediums are 32-34"—too small—and large sizes are 36-38"—too big! The cotton fabric and waist band are comfortable and I like the shorter leg vs. a full-length boxer brief. My go-to underwear. Maybe a little pricey, but these are worth it to me. Read more

Longtime Mac UserVerified purchase
★★★★★

Most important quality in men's underwear is comfort

These are the perfect boxer brief for me. Because comfort isn’t negotiable — down there or anywhere. Read more

JoeVerified purchase
★★★★

Comfortable waistband but shorter length than expected

These are good on waste sizing but shorter in length than expected. The waist band is nice and comfortable. Read more

TR22Verified purchase
★★★★★

Perfect Fit and Long-Lasting Comfort

These Under Armour 6” cotton briefs are the best I’ve found. They fit perfectly, stay in place all day, and never need adjusting. I’ve had several pairs for years, and they’re still in great shape—comfortable, durable, and worth every penny. Read more

Scott RVerified purchase
★★★☆☆

Decent, but lose shape.

Fit well and no quality issues after a year. Tend to lose their shape a little over the course of the day. Read more

Jake FVerified purchase
★★★★★

My new favorite underwear!

I've only worn Under Armour boxer briefs for years now, but they've all been their 100% polyester fabric. Reading that cotton is better for our man parts, I'd be looking for alternatives, and I really liked the Brady Brand I had found at TJ Maxx, but Tom's brand was bought out and that ended, so I came back to UA and found these...and I love them. They're my new favorite underwear. I bought several packs and used them throughout the entire 24-day initial entry training into my state's defense force organization. Here's why they're so good: - 57% cotton makes them soft - 38% polyester makes them perform like a performance boxer, resists fading, and dries fast - 5% jersey spandex gives perfect stretch The wide waistband is the only way to ever go and the UA branding doesn't stand out too bad. They're as perfect as I've ever worn. Thanks UA! NOTE: I wear XL in UA shorts, but I prefer to wear XXL in these. I wear around 250lbs and usually wear 38 slim or slim bootcut jeans (sometimes 36) and have thick thighs and a butt. I don't know that I'd order these in an XL. Read more

MattHooverVerified purchase
★★★★★

Comfortable and supporting

Way better than whitey tightys Read more

Lynn SelfVerified purchase
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