O'NEILL Men's 21 in Solid Boardshorts - Quick Dry Stretch Fit 120

In this review of the O'NEILL Men's 21 in Solid Boardshorts, the bottom line is simple: these are a reliable pair of swim trunks for men who want a comfortable, below-the-knee fit and fabrics that move and dry quickly. The standout reason to buy is the combination of Hyperfreak stretch and Hyperdry technology, which together deliver unrestricted movement and fast evaporation after water activities. The shorts balance performance features with everyday details like a side zip pocket and a velcro patch pocket, so they work for surfing, beach days, or casual summer wear.

Key Features

• 21 in outseam: A below-the-knee length that provides more coverage while still staying comfortable for paddling and walking on the sand.
• Hyperfreak stretch: Four-way stretch fabric moves with the body for unrestricted mobility during surf maneuvers or active play.
• Hyperdry technology: DWR quick-dry treatment reduces wet time so the shorts dry rapidly after exiting the water.
• Anti-Rash Hyperthread: Construction and fabric choices minimize chafing and increase comfort during long sessions in the water.
• Secure storage: A side zip pocket plus a velcro patch pocket give safe, practical places to carry small items while active.
• Durable build: 100% polyester construction resists wear and keeps colors looking fresh after repeated use.

Who It's For

These boardshorts are aimed at men who want performance-focused swimwear with a classic, slightly longer silhouette. Surfers and swimmers who need freedom of movement will appreciate the Hyperfreak stretch and gusseted fly, while anyone who dislikes wet, slow-drying trunks will benefit from the Hyperdry finish.

Shoppers who prefer an inner mesh lining or those wanting a shorter, above-the-knee cut should look elsewhere. Also, if a very tailored or slim dress is required, note that some customers find sizing varies and a try-on is recommended to confirm the best fit.

Pros & Cons

Pros

• Comfortable below-the-knee length with a flexible, four-way stretch that supports active use.
• Fast-drying DWR Hyperdry treatment helps reduce cling and wet weight after swimming.
• Practical pockets including a side zip pocket for secure storage when on the move.
• Well-made construction and material quality noted by multiple users for lasting wear.

Cons

• Sizing feedback is mixed; some users report a roomier fit while others find them true to size, so ordering with the size guide in mind is advised.
• No inner mesh lining, which some swimmers prefer for additional support.

Specifications

Brand	O'NEILL
Outseam	21 in
Material	100% polyester
Technologies	Hyperfreak stretch, Hyperdry, Anti-Rash Hyperthread
Closures	Velcro fly with spandex fly gusset and drawstring
Pockets	Side zip pocket, velcro patch pocket at right leg
Imported	Yes

Our Verdict

The O'NEILL 21 in Solid Boardshorts are a solid choice for men who want performance swimwear with a comfortable, below-the-knee cut and rapid-dry fabrics. They offer good value for active use thanks to stretchy, durable construction and practical pockets; just check sizing carefully if you prefer a very fitted silhouette.

Frequently Asked Questions

Do these boardshorts dry quickly?
Yes, the Hyperdry DWR treatment speeds drying so the shorts shed water and dry faster than untreated fabric.

Is there a mesh lining?
No, customers note there is no mesh lining in this model, which some prefer and others do not.

How does the fit run?
Fit is generally true to size for many buyers, but several customers reported a slightly roomier fit, so refer to the size guide before ordering.