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Solid Calder Trunks
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Style # ONIAA30000

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Onia Solid Calder Trunks


A mid-length version of the Onia swimwear staple. The Calder trunks have a chino-style weave and construction, with a super-soft lining. Mesh-lined off-seam pockets and back flap pocket. Snap closure and zip fly with internal drawstring.

Fabric: Crisp weave.
Shell: 55% cotton/45% nylon.
Lining: 97% nylon/3% spandex.
Wash cold.
Imported, Vietnam.

Front rise: 10in / 25.5cm
Inseam: 7.5in / 19cm
Measurements from Size 32

Size & Fit

True to size. Buy your normal size.

Front rise: 10in / 25.5cm
Inseam: 7.5in / 19cm
Measurements from Size 32

Because sizing and cut will vary between brands, please use this chart as a general guide. If you are between sizes or need assistance selecting the proper size, please contact Customer Service


Onia was an idea from Carl Cunow that developed into a brand. Cunow set out to deliver better swimwear for men, swimwear that was stylish but didn’t fall victim to seasonal fashion trends and swimwear that reflected the label’s commitment to quality. Onia sources high-quality fabrics and finishings, produces in cutting-edge factories, and uses the same techniques used in luxury dress pants. It all adheres to the Onia mission: to provide fine swimwear for the design-conscious gentleman.

Shipping & Returns

Free Shipping Worldwide: No matter where you are sending your order, we offer free express shipping across the globe. Shipping Details

Easy Returns: Because we understand that not every purchase is exactly right, we've made returns easy. With the return form and return shipping label included with every order, customer service calls aren't necessary. And if you're in the USA, returns are free. Return Details

Amazon Prime Shipping Available: Shipping Within USA Only: For Amazon Prime members, free two-day shipping is available for all Shopbop & East Dane products.