t-shirt differences

1) comprised of different material
2) different sizes
3) one is more wrinkled than the others
4) one looks more used than the others
5) one stands out more (brighter)
6) some sleeves are rolled up
7) some are hung perfectly, some are not
8) some droop lower than others
9) one takes more space than the others
10) one looks like it belongs in another column of t-shirts
11) one looks better maintained than the others
12) one fits into a different category of styles
13) one sticks to the other t-shirts
14) one is corduroy
15) one overlaps 3 other shirts
16) one is trying to hide amidst the other shirts
17) one looks like it was never worn
18) one needs to be washed
19 ) one looks like the material is thinner
20) one looks warmer than the others