O'NEILL Men's 21 in Solid Boardshorts - Quick Dry Stretch Fit Clothing
O'NEILL Men's 21 in Solid Boardshorts - Quick Dry Stretch Fit Clothing
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Our review of the O'NEILL Men's 21 in Solid Boardshorts finds them best suited for active swimmers and beachgoers who want reliable comfort and quick drying in a below-the-knee boardshort. The single biggest reason to buy is the combination of Hyperfreak Stretch mobility with Hyperdry quick-dry treatment, which keeps the shorts light and comfortable during long sessions in and out of the water. Fit is generally true to size for many buyers, and the 21 in outseam lands just above or at the knee on most men similar to the model described.
Key Features
- 21 in outseam: A below-the-knee length that provides modest coverage while remaining suitable for swimming and paddling.
- Hyperfreak Stretch fabric: Four-way stretch lets the shorts move with you for surfing, swimming, or beach games without restriction.
- Hyperdry DWR treatment: Quick drying fabric reduces cling and discomfort when you leave the water.
- Anti-rash Hyperthread: Soft construction and a spandex gusset in the fly reduce chafing during extended wear.
- Side zip pocket: Secure storage for small items when you need to leave valuables on the beach or at the pool.
- Velcro fly and drawstring: Dual closure keeps the waist secure during active use.
Who It's For
The O'NEILL 21 in boardshorts are ideal for men who want a reliable pair of swim trunks for surf sessions, paddle sports, or general beach and pool use. They suit users who prefer a slightly longer cut and value quick-dry performance and stretch for unrestricted movement.
Buyers who need tailored or very short swimwear, or those who prefer trunks with inner briefs, may want to look elsewhere. While sizing is mostly consistent, shoppers who are between sizes should check measurements or try on, as some customers reported mixed impressions on fit.
Pros & Cons
Pros
- Comfortable four-way stretch lets you move freely during active water sports.
- Quick-dry DWR and Hyperdry treatment shorten dry time and reduce cling after swimming.
- Secure side zip pocket adds practical storage without adding bulk.
- Construction and anti-rash threading minimize chafing for extended wear.
Cons
- Sizing is mixed in customer feedback, so some may find the fit a bit large or prefer trying before buying.
Specifications
| Brand | O'NEILL |
| Outseam | 21 in |
| Material | 100% polyester with DWR treatment |
| Key technologies | Hyperfreak Stretch, Hyperdry, Hyperthread |
| Closures | Velcro fly, spandex fly gusset, drawstring |
| Right leg velcro patch and side zip pocket | |
| Imported | Yes |
Our Verdict
These boardshorts are a solid choice for men who want a comfortable, quick-drying pair of swim trunks with plenty of mobility and secure storage. Given the durable fabric, anti-rash design, and practical pocketing, they represent good value for active beachgoers and paddlers who prefer a 21 in outseam.
Frequently Asked Questions
Do these boardshorts dry quickly?
Yes. The Hyperdry DWR treatment is designed to speed drying and reduce cling after swimming.
Are they suitable for surfing?
Yes. The Hyperfreak Stretch and secure closures make them suitable for surfing and other active water sports.
How does the sizing run?
Sizing is mixed in reviews; many find them true to size, but some say they run slightly large, so consider trying on or checking measurements if between sizes.
Editor's Take
These boardshorts offer strong value for active users: quick-drying Hyperdry, four-way Hyperfreak Stretch, and anti-rash construction make them comfortable and practical for surfing and beach use.

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