Performance undershirts come in a variety of styles and lengths, and are made by several brands. Although they can be purchased in the desired length, they can be cut to short sleeves, sleeveless undershirts, and tank top undershirts. This article will look at how to customize performance undershirts.
Reasons to want to alter undershirts are many. Long sleeves may be too hot or uncomfortable, short sleeves may stick out under short sleeved shirts, and collars can be visible. Fortunately, they can be altered easily using scissors and maybe a sewing kit. Save any sleeves as undershirt material is perfect for making into arm and leg warmers, headbands, and many other DIY crafts.
Long sleeved undershirts can be cut to short sleeves. Use a T-shirt that fits as a guide for the sleeves, and cut the sleeves of the undershirt a half inch shorter than the T-shirt. Test the cutoff part to see if the cloth curls or runs. Some types of undershirt cloth curl outwards and that causes a visible lump under sleeves, while others run like pantyhose. If either behavior is present, hem over the cut edge. If the cloth behaves, simply cut it a half inch shorter in place of hemming it back.
Most undershirt sleeves can be cut off at the seam to make a sleeveless undershirt. Cut the sleeves off, leaving the seam on the shirt. There is no risk of the cloth running as the seam provides a natural hem. Cloth that curls generally curls under on sleeveless shirts; it is only on sleeves it curls out. The sleeveless undershirt is the easiest alteration to make.
Some undershirts can be made into tank tops. Test the cloth first to see if it runs. This can be done by making a hole in the back of a hem and seeing if it runs when stretched, or by cutting the undershirt to a sleeveless undershirt and seeing if the sleeve runs. If the cloth runs, it is better to leave as a sleeveless undershirt to save on extensive hemming. If the cloth holds, cut the collar and sleeve seams off, then try on the undershirt and see how the cloth stretches. Then trim it back on the shoulders, widen the neck hole, and deepen the neckline until the shirt is of the desired shape.
Undershirts that are too large can be made into fitting undershirts. Use a T-shirt that fits as a guide and trim the sides to the width of the shirt. For a short sleeve undershirt, use the T-shirt as a guide, trim excess cloth from the bottom of the sleeve, sew, and hem if cloth runs. For a sleeveless undershirt, cut the sides to the point of the T-shirt sleeve, then follow the curve of the T-shirt sleeve. Trim or hem if necessary. If cloth doesn’t run, the undershirt can also be made into a tank top as described above.