Navy flannel pants are designed for those who prefer an elegantly sober yet creative look. Baron Boutique’s pants are characterized by unique and refined details, with high-level quality fabrics. Our free customizer allows you to make an accurate selection of the style features enhanced with exclusive detailing. Our navy flannel trousers will always make you look impeccable.
Men’s Measurement Guide
Follow these simple steps to ensure your custom garment fits you perfectly. All you need is a flexible measuring tape.
How to Measure Your Chest (Body Chest Circumference)
- Stand up straight with your arms relaxed at your sides.
- Wrap the measuring tape around the fullest part of your chest, typically right under your armpits.
- Keep the tape parallel to the floor.
- The tape should be snug against your body but not tight enough to restrict breathing.
How to Measure Your Stomach (Body Stomach Circumference)
- Stand up straight with your arms relaxed at your sides.
- Wrap the measuring tape around the fullest part of your stomach, usually above the waistband level and often around the belly button area.
- Keep the tape parallel to the floor.
- Hold the tape snug against your body, firm enough to stay in place but not compressing the skin.
How to Measure Your Trouser Waist (Where Your Trousers Sit)
- Identify the exact position where you normally wear the waistband of your trousers. This is typically just below your navel (belly button).
- Measure around your bare waist at this exact point. Ensure the tape is level and parallel to the floor.
- Stand in a relaxed, natural posture. Do not suck in your stomach or push it out.
- The tape should be snug, but not tight. For a comfortable fit, you should be able to place one finger between the tape and your body.
Any Questions about this product? Please feel free to ask.
Description
The navy flannel trouser is a foundational element of the masculine wardrobe, a versatile anchor that pairs with nearly anything, from a crisp dress shirt to a sharply tailored blazer. Our interpretation is commissioned in a fine Super 120s’ merino wool flannel, a cloth with a soft, brushed hand and a distinctly supple drape.
Form & Foundation
These navy flannel pants are designed with a clean, classic line. A grip-enforced waistband interior ensures a shirt remains perfectly tucked, while the option for side-adjusters provides a precise, beltless fit. The trousers are lined to the knee with acetate for enhanced comfort, and finished with a generous three-inch blind hem, allowing for future adjustments with ease.
A Personal Commission
The creation of your trousers is a collaborative process. You will define the final silhouette and specify the details that make the garment uniquely yours—from the waistband style to the precise taper of the leg. Accommodations, such as a fully extended lining, are naturally part of our bespoke service.
The Bespoke Promise: Your Fitting Canvas
A garment of this quality is perfected through a meticulous fitting process. Your commission begins with a preliminary fitting trouser—a toile—crafted to your initial specifications. This critical step allows for the refinement of the trousers’ balance and line, ensuring the final flannel piece is achieved with absolute precision. The fitting canvas is, of course, yours to retain.
Dry clean.
Navy Flannel Pants Feature
- zip fly front with hook closure
- six 1.75-inch tall belt loops on 1.5 inches tall waistband
- angled front pockets
- plain front styling
- two back pockets with button-through fastening
- hand-stitched buttonholes
- an acetate lined pants front till knee
- a grip enforced waistband interior for better tuck-ins
- waistband interior lined in cotton
- 3 inches blind hem in the pants leg
- hand-stitched blind hem
- hand-carved black horn buttons
- stitched and reinforced pants buttons by hand
- ample seam allowances for easy alteration
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Pants Fit Guide
Pants Fit Guide
Your pant fit sets the foundation for both style and comfort. This choice determines the cut and ease of movement in your test garment. Use this guide to select the fit that best matches your body type and style preference.

Slim Fit
A sleek, tapered shape from thigh to ankle.
Best for: Those with a lean build or who prefer a more tailored, modern look. The cut hugs the body closely without restricting movement.

Standard Fit
A straight-leg classic offering all-day comfort.
Best for: Most body types. This is the most versatile pant fit for everyday wear, offering balance between structure and ease.

Relaxed Fit
Generous room from hip to hem.
Best for: Those prioritizing ease of movement or requiring more space in the seat and thigh. Ideal for casual or comfort-driven tailoring.

Athletic Fit
Room in the thighs with a modern taper.
Best for: Muscular builds with broader thighs and glutes. Provides space without bagginess, tapering neatly at the lower leg.


































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