A shirt that looks smooth with your arms at your sides may feel restrictive when you reach for a keyboard or bend an elbow. Judge the sleeve in motion as well as at rest. Armhole position, sleeve width and the way the sleeve joins the body all contribute to the result.
Separate the measurements involved
The armhole is the opening where the sleeve joins the shirt body. Sleeve width describes room around the arm, while sleeve length runs towards the wrist. These dimensions interact, but changing one does not automatically solve every uncomfortable sensation in the others.
LE CHEMISEUR’s armhole guidance treats armhole height and upper-arm width together and explains why some room behind the armhole supports movement. A few folds are therefore not, by themselves, evidence that the shirt needs to be made tighter.
Compare the sleeve shape at rest and in motion
Proper Cloth’s upper-sleeve options change the shape and attachment angle of the sleeve. In its system, a cleaner line with the arms lowered can involve a trade-off in reach. These are specific pattern options, not universal meanings of slim or tailored on every brand’s label.
Try the shirt fastened and tucked as you normally wear it. Let your arms rest, then reach forward and raise them as your routine requires. Notice where pulling begins: across the back, under the arm or along the sleeve. Describe the location to a fitter rather than requesting higher armholes by default.
Leave enough room at the elbow
Proper Cloth’s sleeve-width guide cautions that narrowing the sleeve can also reduce elbow room. Bend your arms normally and check whether the cloth presses or pulls. A comfortable bicep measurement alone does not settle the fit of the whole sleeve.
Compare with a shirt you already find comfortable, ideally after normal care according to its label. Explain the activities that matter to you and let the fitter assess the complete pattern. Do not copy a single measurement from another maker without checking where and how it was taken.
Repeat the check beneath the jacket
Establish how the shirt moves on its own, then put on the intended jacket and repeat the same ordinary movements. If the restriction appears only with the jacket, have both garments assessed together. Avoid assuming that removing more cloth from the shirt will solve the combined fit.
Let your arms settle before comparing cuff exposure; our jacket-sleeve guide covers that length relationship. Check the chosen cuff style and fastening separately. Keep notes on the combination that works, and browse Watches & Wear for more practical tailoring advice.