O'NEILL Men's 21 in Solid Boardshorts - Quick Dry, Water Resistant
O'NEILL Men's 21 in Solid Boardshorts - Quick Dry, Water Resistant
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In this review of the O'NEILL Men's 21 in Solid Boardshorts the bottom line is simple: these are dependable swim trunks for guys who want a classic look with fast-drying performance. Built from soft, lightweight Ultrasuede polyester and finished with a Hyperdry DWR treatment, the shorts dry quickly after a dip and feel comfortable on the move. The 21 in outseam gives a near-knee length that works for most body types, and practical details like a velcro leg pocket and a spandex gusseted fly make them useful for both swimming and beachside activities.
Key Features
- Quick dry Hyperdry DWR: The durable water repellent finish helps water bead and shed so the shorts dry faster after swimming.
- Ultrasuede fabric: Soft, lightweight polyester allows easy movement and a comfortable, non-restrictive feel during surf or shore use.
- 21 in outseam: A near-knee length that provides coverage without feeling baggy, suitable for casual and active wear.
- Secure pocket: The velcro patch pocket at the right leg keeps small items safe while on the beach or board.
- Functional closure: Velcro fly with a spandex fly gusset and drawstring closure offers a secure fit and some stretch where it matters.
Who It's For
These boardshorts are aimed at men who want a versatile, no-fuss swim short that looks like a classic boardshort but performs for active use. Surfers, swimmers and beachgoers who prefer a soft, light fabric and a quick-dry finish will appreciate the combination of comfort and practicality.
Those who need a very short trunk, internal mesh lining or compression support should look elsewhere, as these are 21 in outseam boardshorts made from 100% polyester without a mesh lining. Men with very large waists or who prefer a snug, athletic compression fit may find the sizing varies.
Pros & Cons
Pros
- Comfortable Ultrasuede fabric that feels soft and moves with you.
- Quick dry Hyperdry DWR treatment reduces dry time after getting out of the water.
- Practical velcro pocket and drawstring plus a gusseted fly for secure fit and function.
Cons
- Sizing opinions are mixed; some customers find them true to size while others report they run big.
- No internal mesh lining, which may be a drawback for swimmers who prefer that feature.
Specifications
| Brand | O'NEILL |
| Style | Santa Cruz stripe boardshort |
| Outseam | 21 in |
| Material | 100% polyester (Ultrasuede) |
| Finish | Hyperdry DWR quick dry treatment |
| Closures | Velcro fly, drawstring, spandex fly gusset |
| Velcro patch pocket at right leg |
Our Verdict
The O'NEILL 21 in Solid Boardshorts are a solid choice for men who want a classic-looking boardshort that performs on the water and dries quickly. With comfortable Ultrasuede fabric, practical closures and a useful pocket, they offer good value for beachgoers and casual surfers, though shoppers should check sizing and note there is no mesh lining.
Frequently Asked Questions
Do these boardshorts dry quickly?
The Hyperdry DWR finish helps them shed water and dry faster than untreated polyester options.
Are they lined?
No, these shorts are made from 100% polyester without an internal mesh lining as described.
What length are they?
The outseam measures 21 in, which lands around just above the knee for many wearers.
Editor's Take
These O'NEILL 21 in boardshorts deliver comfortable, quick-drying performance with a soft Ultrasuede build and practical pocket and closures, making them good value for beachgoers and casual surfers who prefer a near-knee length.

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