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Boy Trouser in Onyx


The perfect menswear trouser with an effortless, soft tailored fit. The Boy Trouser sits at the natural waist and has a softly curved leg and relaxed rise featuring front pleats, zip fly and button closure. Made in Japanese BCI Cotton with a durable, structured hand feel.  Onyx is jet black.

See Size & Fit tab below for garment measurements.

Size Chart
Size Chart

Size Chart

14 day returns

Free US shipping over $350

Worldwide shipping

  • Details

    • 97% Japanese BCI Cotton, 3% Elastane
    • Made in USA

  • Size & Fit

    Has a relaxed fit in the waist and hip. Model wears size 0 and has a 24" waist and 34" hip.


    Size 0 – Waist 26", Hip 42", Rise 15.5", Inseam 24"

    Size 2 – Waist 27", Hip 43", Rise 15.5", Inseam 24"

    Size 4 – Waist 28", Hip 44", Rise 15.5", Inseam 24.5"

    Size 6 – Waist 29", Hip 45", Rise 15.5", Inseam 24.5"

    Size 8 – Waist 30", Hip 46", Rise 15.5", Inseam 25"

    Size 10 – Waist 31", Hip 47", Rise 15.5", Inseam 25"

    Size 12 – Waist 32", Hip 48", Rise 15.5", Inseam 25.5"

    Size 14 – Waist 34, Hip 49", Rise 15.5", Inseam 25.5"

    Size 16 – Waist 36", Hip 50", Rise 15.5", Inseam 25.5"

    Size 18 – Waist 38, Hip 52", Rise 15.5", Inseam 25.5"

  • Care & Longevity

    Hand wash cold with gentle detergent, lay flat to dry or bring to a green dry cleaner for spot treating.

  • Responsible Design

    Designed with intention to last for years to come, all seams are dually-reinforced french seams.

    As a circular alternative to conventional cotton, we use GOTS (Global Organic Textile Standard) certified organic cotton, which meets specific environmental, wastewater, and labor requirements. Genetically modified seeds and synthetic agricultural chemicals are not used in the production of organic cotton and its production uses 88% less water and 62% less energy than non-organic cotton.

    Studies show that organic cotton farming builds organic matter in the soil, reduces soil, air, and water contamination, increases soil fertility and biodiversity, reduces human and wildlife health hazards, and reduces greenhouse gas emissions.

  • Shipping & Returns


    We offer free domestic shipping on all orders over $350. A shipping confirmation with tracking will be emailed when your order has been shipped.

    Orders shipping within the US are shipped via UPS Ground - typical ship times are 3-7 working days. Please contact us for rush shipping options. We offer shipping insurance with Route which can be added to your order on the cart page.

    Orders shipping to destinations outside the US will be shipped via DHL (typical ship time is 3-7 days) or USPS (typical ship time is up to three weeks depending on destination). If you have placed an order shipping to a destination outside the US, tax, customs and import duties will be levied by the client's local government on top of our shipping cost.  Please review our Shipping page for more details.


    Any full-price, unworn and unwashed items may be returned for refund or exchange within 14 days of receiving your order. Purchases made using a gift card or store credit are eligible for exchange or store credit only.

    Your account will be credited your refund or any difference in your exchange within 3 business days of receipt. Please note that it may take up to an additional 10 days for the refund to show up on your account statement, depending on your credit issuer’s processing time.

    All sale items marked 20% off or greater are final sale.

    We reserve the right to refuse any return that does not comply with the conditions stated above. Please review our Returns page for more details including instructions on starting a return.

  • Contact Us

    For customer service inquiries please contact
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Filter Reviews:
Kelsey SVG verified by SHOP

Runs a bit small, but great pants!!

Kristina R.
United States United States

Lovesick x

The best, chic, work/play/anyday pant. Maybe, ever.

Olga N.
United States United States
I recommend this product

The Perfect Tailored Trouser

I’ve been on the hunt for a perfectly tailored, androgynous style trouser and these are it! I’m typically a size 6 in bottoms but sized up to an 8 in the black for a more relaxed fit and kept my size 6 in the white for a tighter tailored fit. I hope they keep this style as a staple in their collection and come out with more fabric + color options.


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