What is a twill shirt? Twill shirts are shirts with a twill weave. So a twill cotton shirt is a shirt where with the cotton in a twill weave. Twill is not a type of material or fabric, but a description of the weave of the fabric. Further detail on twill shirts and the differences between twill and poplin is below.
|Charles Tyrwhitt UK||Charles Tyrwhitt US||TM Lewin UK||TM Lewin US|
|Hawes and Curtis||Marks and Spencer||Savile Row Company||Thomas Pink|
Twill weave styles
A common style for a twill weave shirts is two over and then two under, with an offset between the rows. This creates the distinctive parallel diagonal patterns you see in the weave of twill shirts. The black and white pattern image below gives an example of a twill weave.
In the diagram above the parts where the threads are shown in white are the threads which are raised. Twill weave is often used for jeans and if you look at a typical pair of jeans you will see diagonal ridges which are the result of the twill weave. If the lines run to the right then that is known as the Z direction. If the lines run to the left then that is known as S direction, because in a Z the diagonal bar in the letter goes to the right as you go up, with the opposite happening in an S. If you turn a shirt or your jeans inside and out and look at the back then you will see that the pattern is reversed.
Twill weaves are also a grouping which covers other different kinds of weaves like herringbone, chevron and houndstooth. Herringbone is a type of broken twill, as the twill reverses directions at regular intervals.
Twill vs Poplin shirts
Twill shirts tend to be heavier than poplin shirts and therefore will keep you warmer. This makes them better for colder weather. Another advantage of twill shirts is that the heavier weave makes them easier to iron than shirts which are poplin weave. All of the major shirt retailers including Charles Tyrwhitt, Thomas Pink and TM Lewin sell twill shirts. Just head to their websites in the links above and type twill into the search boxes at the top of their home pages.
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Sources. The image above is taken from here.