Fits perfectly — true to size
I was worried about sizing ordering online, but the fit guide was spot on. Great cut and the fabric feels premium.
Oliver M, 2 hours ago
Pure 3-in-1 Quick-Dry Swim Trunks with Compression Liner
Single Pair / Black / S
£39.99
Sale price
£39.99
Regular price
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Pure 3-in-1 Quick-Dry Swim Trunks with Compression Liner
from gym to office, these boxers have your back (and everything else).
£39.99
Sale price
£39.99
Regular price
AT A QUICK GLANCE:
4-Way Stretch
Breathable
Bamboo
Bamboo
Odor-
Neutralizing
Neutralizing
Anti-Chafing
Design
Design
WARNING: Low Stock Notice
This product sold out 12 times last year. We encourage you
to take advantage of the limited sale and buy now. Ordering
now helps you avoid future stock outs.
PS: Only available here, don’t buy fakes on Amazon/eBay
Made By Men,
Craved By Women
Perfect
Snug Fit
Freshness
Guaranteed
Anti-Chafing
Patent Design
Odorless &
Hygienic
Boxflex is trusted by over 125k+ Men
These aren't your old-school swim trunks. BoxHero 3-in-1 Quick-Dry Swim Trunks are thoughtfully designed for comfort, support, and ease — especially for men 40 and up who want to enjoy summer without the usual discomforts.
No more scratchy mesh liners that cause irritation. No more trunks that stay wet for hours. No more awkward fit that rides up or feels tight around the waist.
Instead, you'll experience smooth, soft comfort with our built-in compression liner that feels like your favorite boxer briefs. The quick-dry stretch fabric moves with you and keeps you dry, even on the hottest days — whether you're swimming, walking by the shore, or relaxing on a cruise deck.
And with secure zipper pockets, you won’t have to worry about where to put your keys or wallet.
If you're looking for swim trunks that feel good, fit right, and just work — this is the upgrade you didn’t know you needed.
Details:
- Built-in Compression Liner: No more adjusting or chafing — total support all day long.
- Quick-Dry Stretch Fabric: Ultra-breathable, super soft, and keeps its shape wet or dry.
- Secure Zipper Pockets: Your phone, wallet, and keys stay safe (even if you take a dive).
- Tailored Fit for Men 40+: Comfortable, flattering, and made to move with you — not squeeze you.
- Multi-Use Versatility: Perfect for the beach, the pool, a walk, or a relaxed lunch — no outfit change needed.
Dispatch times:
2–5 working days
Shipping times:
UK (Royal Mail / Evri): 2–7 working days
US (USPS): 2–7 working days
Worldwide: 3–10 working days
Please note shipping times are not guarantees. Order may come before or after these dates. During high volume periods short delays may be expected.
Please contact us at contactpureclo@gmail.com if you have any questions or issues with your order.
We offer a 14 day return or exchange policy if you are not happy with your order for any reason. For more information please see our Return Policy here.
Fast delivery & clear tracking
Tracking updates were clear and the parcel arrived earlier than expected. Packaging was clean and protected.
James R, 5 hours ago
Premium feel in real life
The fabric is soft but structured. Looks expensive in person and matches the “quiet luxury” vibe.
Ethan W, 8 hours ago
Support actually helped
Asked a sizing question before buying and got a helpful reply quickly. Felt safe ordering and everything went smoothly.
Thomas D, 12 hours ago
Easy exchange process
Needed a different size and the steps were straightforward. No hassle and good communication throughout.
Noah K, 1 day ago
Accurate photos & details
What arrived matched the product photos and description. Stitching is neat and it holds shape after wear.
Lucas P, 1 day ago
Comfortable for work all day
Wore it for a full workday — breathable, comfortable, and still looks sharp by the end of the day.
George S, 2 days ago
Great value for the quality
I’ve paid more for less. The finish feels premium, and the fit is flattering. I’ll order again.
Henry B, 3 days ago
Dermatologist- Backed Comfort You Can Trust
- Keeps bad smells at bay, so you stay fresh around the clock
- Itch-free, irritation-free comfort that’s got your back and your front.
- Gentle on the skin, tough on the problems — perfect for those sensitive spots.
- Step up your game with confidence that turns heads, especially hers.
180 WASHES GUARANTEE
Our boxers come with a 180 Wash Guarantee, promising 100% shape and fabric retention — lasting up to 3x longer than other brands!
TRY IT RISK-FREE – TODAY AT 50% OFF!
Transparent Pricing
At Pure, we’re all about fairness:
- Fair Manufacturing
- Fair Sustainability Practices
- Fair Prices
We keep our costs low by cutting out the middlemen, meaning you get premium quality without the premium price tag.
See How Pure BoxFlex
Compares..
Why Pure BoxFlex Stands Above the Rest
PRICE
FABRIC
DURABILITY
BREATHABLE
& ANTI-ODOR
& ANTI-ODOR
45 DAY FIT
GUARANTEE
GUARANTEE
DR
RECOMMENDED
RECOMMENDED
PURE
BOXFLEX
BOXFLEX
$69.99
(Pack of 8)
95%
Bamboo
Bamboo
180 Washes
Guarantee
Guarantee
Yes
45 At-home
Free Trial
Free Trial
Yes
HANES
$48.99
(Pack of 2)
85% Nylon
15% Spandex
15% Spandex
Shrinking
can occur
can occur
No
14 Days
No
FRUIT OF
THE LOOM
THE LOOM
$32.99
(Pack of 2)
55% Cotton
44% Polyester
44% Polyester
Shrinking
can occur
can occur
No
14 Days
No
CALVIN
KLEIN
KLEIN
$50.00
(Pack of 3)
95% Cotton
5% Elastane
5% Elastane
Shrinking
can occur
can occur
No
14 Days
No
The Pure Guarantee
Ethically Sourced Bamboo
Made with sustainable bamboo, so you can feel good about what you're wearing.
45 Day Money Back Guarantee
We’re sure you’ll love your new pair of Pure. If not, we’ll replace it for free or give you your money back.
24/7 Support for all of your inquiries
We're here for you anytime you need us, no matter what.
SSL Encryption for Safe and Secure Payments
Shop with confidence — our SSL encryption ensures your information is safe.
