Plumber's crack usually comes down to a simple fit problem: pants sit lower, shirts ride up, and underwear does not provide enough coverage through the back.
Start with the rise
Underwear with a higher rise gives you more coverage above the hips. That extra fabric can make a noticeable difference when you bend, squat, climb, drive or work on the floor.
Check your waistband fit
A waistband that is too loose can slide down. One that is too tight can roll. Choose a size that sits securely without digging in, and use the No Crack Co. size guide to compare your waist and hip measurements.
Think about your pants, too
Low-rise pants and loose work pants can exaggerate the problem. A secure belt helps, but underwear with more rear coverage gives you another layer of protection when your outer waistband shifts.
Choose stretch that moves with you
Stretch fabric should follow your movement rather than pulling the waistband downward. For work and everyday wear, comfort and recovery matter more than flashy details.
No Crack Co. high-rise boxer briefs are designed around that exact problem: more coverage where ordinary underwear can fall short.