The difference between straight fit and regular fit is that one refers to how they fit and the other refers to how they are cut.
Straight Fit Vs Relaxed Fit Pants - Untuck It
Straight Fit vs Slim Fit: Differences in Styles & Material - TAILORED ATHLETE - USA
Different fit for your suit — SUITYOURSELF
Straight Fit vs Regular Fit: Here's The Difference (2023)
What is the difference between slim fit and straight slim for jeans? - Quora
Straight Fit VS Regular Fit: What's the Difference?
Straight Vs Regular Fit – A Complete Guide On The Differences So You Can Find The Right Fit - Cotton & Cloud
Straight Fit vs Regular Fit: Here's The Difference (2023)
What is the Difference Between Straight Fit and Regular Fit Jeans? – Maves Apparel
Straight vs Regular Fit: Which Is Best for Your Body? - TAILORED ATHLETE - USA
Straight Fit vs Slim Fit: Differences in Styles & Material - TAILORED ATHLETE - USA