O'NEILL Men's 21 in Solid Boardshorts - Quick Dry Stretch Fit 191

In this review of the O'NEILL Men's 21 in Solid Boardshorts the bottom line is simple: these are reliable, comfortable swim trunks for men who want a below-the-knee fit and fast drying performance. The review highlights the shorts' Hyperfreak stretch fabric that moves in all directions and the brand's Hyperdry treatment for quick drying. Built for active days at the beach or pool, they balance comfort, modest storage and a classic boardshort look without fuss.

Key Features

• 21 in outseam: The below-the-knee length provides modest coverage and a traditional boardshort silhouette that sits just above or at the knee for most wearers.
• Hyperfreak stretch fabric: The four-way stretch construction moves with the body during swimming, paddling or casual wear to reduce resistance and improve comfort.
• Hyperdry quick-dry treatment: Durable water repellent finish helps the fabric shed water and dry faster after leaving the water, reducing the time you stay damp.
• Anti-rash Hyperthread: Construction and material choices minimize chafing so the shorts stay comfortable during long sessions in and out of the water.
• Side zip pocket: A zippered pocket on the leg provides secure, easy access storage for keys or small items when off the board.
• Velcro fly with drawstring: Combined closure keeps the fit adjustable and secure for active days.

Who It's For

The O'NEILL 21 in boardshorts are best for men who prefer a classic, below-the-knee length and need a performance-minded swimsuit for surfing, swimming or beach days. The blend of quick dry treatment and stretch fabric suits active users who value mobility and faster turnaround between water sessions.

Men who want minimal fuss, a traditional boardshort fit and a secure pocket for small essentials will appreciate these. Those who need a very short trunk, a lined brief-style suit, or a highly technical fabric specified for competitive swimming should look elsewhere.

Pros & Cons

Pros

• Comfortable four-way stretch offers unrestricted movement for active use.
• Quick-dry Hyperdry treatment reduces drying time after leaving the water.
• Anti-rash construction prevents chafing during extended wear.
• Secure side zip pocket and reliable Velcro fly with drawstring add practical convenience.

Cons

• Sizing can vary between customers, with some reporting a roomier fit; trying on or checking measurements is advised.
• The unlined boardshort style may feel less supportive for those who prefer a brief-style liner.

Specifications

Our Verdict

These boardshorts represent good value for men who want durable, comfortable swimwear with purposeful performance details. The combination of stretch, quick-dry finish and anti-rash construction makes them a sensible choice for beachgoers and casual surfers who prefer a below-the-knee length and modest storage options.

Frequently Asked Questions

Are these boardshorts true to size?
Fit is generally true for many buyers but some report a slightly larger fit; consult measurements or try on when possible.

Do they dry quickly after swimming?
The Hyperdry DWR treatment speeds drying compared with untreated polyester, so they dry faster than standard swim trunks.

Is there a pocket for keys?
Yes, there is a side zip pocket and a Velcro patch pocket on the leg for secure small-item storage.