O'NEILL HERMOSA RETRO 17'' EW TRUNK
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Retro Style, Modern Stretch
The O'Neill Hermosa Retro 17'' EW Trunk delivers the relaxed, pull-on ease of an elastic waist with a vintage-inspired above-the-knee cut. A tunnel drawcord lets you dial in the fit without fussing with a fly, making these a natural grab for the beach, the pool, or a casual day out on the water.
Retro Stretch Fabric
The Hermosa Retro is built from O'Neill's Retro Stretch blend: 74% Recycled Polyester, 18% Cotton, and 8% Elastane woven to a 165 GSM weight. That combination gives the fabric a soft, broken-in feel from day one while the elastane delivers four-way stretch so the trunk moves with you, not against you. The recycled polyester content means performance is paired with a reduced environmental footprint.
O'Neill Hyperdry DWR Technology
Hyperdry is O'Neill's durable water repellent finish applied to the outer fabric. Water beads and rolls off rather than soaking in, so the trunk sheds spray quickly and dries fast between sessions. It is not a waterproofing treatment, but it meaningfully reduces the weight and drag of wet fabric during active use.
Anti-Rash Hyperthread Construction
The interior seams are finished with O'Neill's Anti-Rash Hyperthread, a flat-lock stitching method that eliminates the raised seam edges that chafe during extended wear or paddling. Combined with the stretch fabric, the result is a trunk that stays comfortable well past the first hour in the water.
Fit and Cut
The Hermosa Retro carries a 17-inch outseam and a 7-inch inseam, placing the hem above the knee. That shorter outseam is the defining detail of the retro silhouette: more freedom of movement, a cleaner visual proportion, and a look that references the original California board trunk aesthetic O'Neill has been building since 1952. The elastic waistband is fully adjustable via the tunnel drawcord, so fit is tunable without a belt or fly.
Storage
A side patch pocket with a button closure provides secure storage for a key or card. The pocket placement and construction are consistent with the retro styling of the trunk.
About O'Neill
O'Neill is the original California surf lifestyle brand, founded in 1952. The Hermosa Retro sits within their boardshort and trunk lineup as an elastic waist hybrid that bridges surf-ready construction and everyday wearability.
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Specifications
- Outseam
- 17 inches
- Inseam
- 7 inches
- Fit
- Above the knee
- Waist
- Elastic with tunnel drawcord
- Fabric
- 74% Recycled Polyester, 18% Cotton, 8% Elastane
- Fabric Weight
- 165 GSM
- Water Repellency
- O'Neill Hyperdry DWR
- Seam Construction
- Anti-Rash Hyperthread
- Pockets
- Side patch pocket with button closure
- Gender
- Men's
- Brand
- O'Neill
- MPN
- itemMatrix-42141
Frequently Asked Questions
- What is the O'Neill Hyperdry DWR finish?
- Hyperdry is O'Neill's durable water repellent (DWR) treatment applied to the outer fabric. It causes water to bead and roll off the surface rather than soaking into the fabric, so the trunk sheds spray quickly and dries faster than an untreated fabric of similar weight.
- Are O'Neill elastic waist shorts good for swimming?
- Yes. The Hermosa Retro EW Trunk is built for water use. The Hyperdry DWR finish sheds water quickly, the Retro Stretch fabric moves with you in and out of the water, and the Anti-Rash Hyperthread seam construction prevents chafing during extended wear.
- How does the elastic waist fit compared to a traditional boardshort?
- The elastic waist with tunnel drawcord gives you a pull-on fit you can adjust without a fly or velcro closure. Many surfers and swimmers prefer it for ease of use, and the drawcord lets you fine-tune the waist position. Traditional boardshorts rely on a waistband tab and velcro for closure, which creates a slightly stiffer front panel.
- What does the 17 inch outseam look like?
- A 17-inch outseam places the hem above the knee, consistent with a retro or classic trunk silhouette. It is shorter than most modern boardshorts, which typically run 19 to 21 inches, giving the Hermosa Retro a cleaner, more vintage-inspired proportion and increased freedom of movement.
- Is the O'Neill Hermosa Retro an elastic waist hybrid short?
- Yes. It functions as an elastic waist hybrid: the pull-on elastic waistband and drawcord make it as easy to wear as a casual short, while the Hyperdry DWR, stretch fabric, and Anti-Rash seams make it fully capable in the water.
- How should I care for these trunks?
- Machine wash cold with like colors and tumble dry low or hang dry to preserve the Hyperdry DWR finish and the elastane stretch. Avoid fabric softeners, which can degrade DWR coatings over time.
- Where can I buy the O'Neill Hermosa Retro 17'' EW Trunk?
- The Hermosa Retro EW Trunk is available at Island Water Sports in store and online. Island Water Sports is South Florida's destination for surf and water sports apparel.