Men's 21 in Solid Boardshorts by O'NEILL - Quick Dry Stretch
Men's 21 in Solid Boardshorts by O'NEILL - Quick Dry Stretch
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In this review the O'NEILL Men's 21 in Solid Boardshorts are presented as a solid choice for someone who wants rugged swimwear that stays comfortable during long beach days or active water sessions. The bottom line: these boardshorts are best for men who need a below-the-knee fit with fast drying fabric and freedom of movement, because the Hyperfreak stretch and Hyperdry treatment deliver mobility and rapid dry times. The reviewer found the shorts comfortable, well made, and practical for regular swim and surf use.
Key Features
- 21 in outseam: Provides a below-the-knee fit that works well for surfers and swimmers who prefer extra coverage without restricting movement.
- Hyperfreak Stretch: The four-way stretch fabric moves with the body for unrestricted paddling, diving and beach activity.
- Hyperdry quick dry: Durable water repellent finish sheds water for faster dry times between sessions and reduces clamminess.
- Anti-rash Hyperthread: Smooth seam construction and fabric reduce chafing, adding comfort on long days in and out of the water.
- Side zip pocket: A secure zip pocket keeps small essentials safe while active, avoiding loss during waves or movement.
- Velcro fly and drawstring: Classic closure with a spandex gusset ensures a snug, adjustable waist and added durability.
Who It's For
The O'NEILL 21 in boardshorts suit men who spend hours on the water and need a durable, quick drying short that still feels comfortable when paddling or swimming. Surfers, swimmers and beachgoers who prefer a below-the-knee length and a roomy fit will appreciate the combination of stretch and coverage.
Those who want a very short trunk or a tailored city swim short should look elsewhere, since these are designed with a 21 in outseam and a relaxed surf-oriented cut. Fit can vary by waist size, so men between sizes may want to try on or size according to personal preference.
Pros & Cons
Pros
- Excellent mobility from Hyperfreak stretch, making the shorts comfortable for active use.
- Fast drying ride thanks to Hyperdry DWR treatment, which reduces water retention after swimming.
- Secure storage with a zip pocket and functional Velcro fly plus drawstring for reliable closure.
- Anti-rash construction removes common chafing issues during prolonged wear.
Cons
- Sizing is mixed in customer reports, with some users finding them true to size and others saying they run big, so fit may require trying a size up or down.
Specifications
| Brand | O'NEILL |
| Outseam | 21 in |
| Material | 100% polyester |
| Features | Hyperfreak stretch, Hyperdry quick dry, Anti-rash Hyperthread |
| Pockets | Side zip pocket, Velcro patch pocket at right leg |
| Closure | Velcro fly with spandex gusset and drawstring |
| Imported | Yes |
Our Verdict
The O'NEILL Men's 21 in Boardshorts are a dependable surf and swim short that balance coverage, stretch and quick drying performance, making them a good value for active men who want comfort and durability. Buy them if you need a below-the-knee boardshort with secure pockets and anti-rash construction; double-check sizing if you prefer a very tailored fit.
Frequently Asked Questions
Are these boardshorts quick drying?
Yes, they feature O'NEILL Hyperdry DWR treatment designed to shed water and speed up drying time.
Do these shorts prevent chafing?
The Anti-Rash Hyperthread construction and smooth seams reduce chafing during extended wear in and out of the water.
Is the fit true to size?
Customer feedback is mixed: many find the fit true to size, but some report they run a bit large, so consider trying your usual size or sizing down if between sizes.
Editor's Take
The O'NEILL Men's 21 in Boardshorts balance below-the-knee coverage with Hyperfreak stretch and Hyperdry quick drying, offering durable, comfortable swimwear ideal for active men who want mobility and reduced chafing.

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