Wool Cashmere Flannel Pant - Black

Pants

$325as of Sep 3, 2026. Check the current price at James Persemay be out of stock

The verdict

A versatile dark staple if you value fabric weight and tailoring over trend-forward styling.

Fit

Black flannel tends to photograph richer and dress warmer than grey; fit is consistent with James Perse's men's trouser cut. Try before buying if you prefer a looser silhouette.

Quality

Same wool-cashmere blend as the grey version. Black holds its depth better than lighter tones but shows lint readily, so frequent brushing is part of the upkeep.

Price check

Slightly higher at $325 than the grey due to dye cost and demand; still a fair mid-tier price for a wool blend with brand backing.

Best for

Men assembling a work capsule who need one pair of formal trousers that can pair with blazers and sweaters.

Care

Dry clean to preserve the black dye; lint-rolling is frequent maintenance for dark flannel.

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Fit check: James Perse

True to size

Owners report James Perse's numeric sizing (0=XS up to 5=XXL) runs true to size, with a deliberately relaxed, California-casual cut rather than a slim one.

Reviewers and sizing guides agree the numbered sizing maps predictably to standard sizes and stays consistent across tees, tanks, long sleeves, and sweats — one long-term owner wears the same size 1 across every James Perse product she owns. The caveat owners flag is that the house cut is intentionally roomy: tees and sweats read slightly relaxed at your true size, so people wanting a trim fit sometimes size down, while button-ups and polos can wear looser than the marked size suggests. On the women's side, fitted jersey pieces are the exception — reviewers note the skinny and fitted styles run small, and pants are cut long.

Sizing advice: Take your usual size converted to the number scale (0=XS, 2=M, 3=L); size down only if you want a trim fit in the relaxed tees and sweats, and size up in fitted jersey styles.

Per owner & reviewer reports: James Perse Sizing Guide — Mensflair · James Perse T-Shirt Review — New Inspired · Does James Perse Run Big or Small? — Tellar

What owners report about James Perse pants

Owners consistently praise how James Perse fabrics feel and drape, but durability complaints dominate third-party reviews of the bottoms: customers describe seams failing and holes developing within months of light wear. Several reviewers say that when they reported defects, customer service dismissed the damage as normal wear and tear and offered no remedy. The consensus across review platforms is that the comfort is real but longevity does not match the price.

Strengths: Soft fabrics and a relaxed drape that owners say feel immediately comfortable.
Watch out for: Seam failures and holes reported within months of light wear, paired with customer service that reviewers describe as unwilling to remedy defects.

About James Perse's pants line as a whole. Sources: James Perse Review – Honest Brand Reviews · Great looking clothes; terrible quality – Review of James Perse (Tripadvisor) · James Perse Reviews – Trustpilot