O'NEILL Men's 21 in Solid Boardshorts - Quick Dry Stretch Comfort all

Our review of the O'NEILL Men's 21 in Solid Boardshorts finds them best suited to active beachgoers and casual swimmers who want a reliable pair of trunks that move with them. The single biggest reason to buy is the combination of Hyperfreak Stretch fabric and Hyperdry technology, which delivers comfortable multi-directional stretch plus rapid drying after a dip. These boardshorts balance practical features and a clean look, making them a sensible everyday swim short rather than a technical surf contest boardshort.

Key Features

• Hyperfreak Stretch: The fabric stretches in all directions so the shorts move with you during swimming, paddling or beach games without restricting motion.
• Hyperdry quick dry: DWR treatment and Hyperdry tech reduce drying time so you leave the water feeling less soggy and more comfortable on the walk back.
• Anti-rash Hyperthread: Construction and materials reduce chafing during extended wear, making long days on the sand or in the water more pleasant.
• Secure storage: A side zip pocket and a Velcro patch pocket at the right leg keep small essentials safe while you are active.
• Classic fit: A 21 in outseam hits just above the knee on most men for a traditional boardshort silhouette that works on and off the beach.
• Durable build: 100% polyester construction with a spandex fly gusset and drawstring closure ensures the shorts keep their shape and stay secure.

Who It's For

The O'NEILL 21 in boardshorts are ideal for men who want an all-purpose swim short with stretch and quick dry performance for day-long beach trips, pool days, or casual watersports. Surfers who prefer a classic 21 in length and appreciate anti-rash detailing will like these for everyday sessions.

Those looking for technical competition surf trunks, heavy insulation, or a lined swim brief should look elsewhere; these shorts have no mesh lining noted by some customers and are built as a versatile, lightweight boardshort rather than a performance race suit.

Pros & Cons

Pros

• Comfortable stretch fabric that allows full movement during water activities.
• Fast drying thanks to Hyperdry and DWR treatment, useful for quick transitions off the beach.
• Practical storage with both a side zip pocket and a Velcro patch pocket for small items.
• Clean above-knee 21 in length and solid construction make them versatile for swim and casual wear.

Cons

• Sizing feedback is mixed; some customers find the shorts run large so trying a size down may be necessary.
• No mesh lining noted by a customer, which may matter to those who prefer lined swim trunks.

Specifications

Brand	O'NEILL
Outseam	21 in
Material	100% polyester with spandex fly gusset
Key technologies	Hyperfreak Stretch, Hyperdry, Anti-rash Hyperthread
Pockets	Side zip pocket, Velcro patch pocket at right leg
Closure	Velcro fly with drawstring
Imported	Yes

Our Verdict

These boardshorts are a smart pick for men who want comfortable, quick-drying swimwear with functional storage and a classic 21 in length. Given the stretch fabric, anti-rash build and durable polyester construction, they offer solid everyday value for beachgoers and casual watersport participants who prioritize comfort over competition-level features.

Frequently Asked Questions

Do these boardshorts dry quickly?
Yes, the Hyperdry technology and DWR treatment help the shorts dry faster than untreated polyester swimwear.

Are they lined?
Customers report there is no mesh lining, so they function as unlined boardshorts with a spandex fly gusset for comfort.

How does sizing run?
Sizing feedback is mixed; some buyers find them true to size while others say they run a bit large, so consider trying one size down if between sizes.