Getting the right size in a tailored cashmere coat starts with a few precise body measurements taken over the base layer you’ll most often wear (a thin sweater or shirt). Use a soft measuring tape, stand naturally, and keep the tape snug but not tight. If possible, ask someone to help so the tape stays level all the way around.
Wrap the tape around the fullest part of your chest, usually just under the armpits and across the shoulder blades. Keep your arms relaxed at your sides. This number typically determines your starting coat size, especially for structured, tailored styles.
Shoulder fit is what makes a tailored cashmere coat look sharp instead of “borrowed.” Measure from the edge of one shoulder bone to the other across your back. If you’re measuring a coat you already own, lay it flat and measure straight across the shoulder seam to shoulder seam for a reliable reference.
Measure from the top of the shoulder down to the wrist bone with your arm slightly bent. Tailored coats should show a hint of shirt cuff when your arms are at rest, but sleeve preferences vary—especially if you plan to wear thicker knits underneath.
For a tailored silhouette, measure your natural waist (narrowest point) and hips (fullest point). Then decide your ideal length: measure from the base of your neck (where a collar would sit) down to where you want the hem to land—mid-thigh, knee, or below. Length matters for both warmth and proportion.
Cashmere is warm, but a tailored coat shouldn’t feel restrictive. If you regularly wear a blazer or chunky sweater, allow extra ease in the chest and upper arms. Also check mobility by raising your arms and buttoning the coat—there should be no pulling across the back or strain at the buttons.
For more details on tailoring cues and what to look for in a refined cashmere outerwear style, visit this guide to a classic tailored cashmere coat.
The shoulder seam should land right at the edge of your shoulder bone with no divots or overhang. If the shoulders are too wide or too narrow, the coat won’t drape correctly and alterations are limited compared to sleeve or hem adjustments.
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