Chalkstripe and pinstripe are two distinct patterns commonly found on striped suits. Chalkstripe features wider and more prominent stripes, resembling the texture of chalk lines on a blackboard, while pinstripe has thinner, more delicate lines that appear as pin-like dots. Chalkstripe suits are often associated with a formal, elegant aesthetic, while pinstripe suits exude a sleek, professional look, popular in business attire. The choice between these patterns depends on personal preference and the desired style for a particular occasion.