Dress pants can come in a variety of design patterns, ranging from classic and understated to bold and eye-catching. Here are some popular design patterns for dress pants:

Pinstripe: This classic design features narrow, vertical stripes that run the length of the pant leg. Pinstripe dress pants are a popular choice for business attire and formal events.

Houndstooth: This design features a black-and-white pattern that resembles a hound's tooth, and adds a touch of sophistication to any outfit.

Plaid: This design features a classic tartan pattern that is popular for dress pants, and is available in a variety of color combinations.

Check: This design features a pattern of small squares that create a checkerboard-like appearance, and is a popular choice for dress pants.

Herringbone: This design features a V-shaped pattern that resembles a herringbone, and adds a touch of texture to any outfit.

Argyle: This design features a diamond-shaped pattern that is often used for dress socks, but is also available in dress pants.

These are just a few of the many design patterns available for dress pants. When choosing dress pants, it's important to consider the occasion, the overall look you're trying to achieve, and your personal style. With so many options available, you're sure to find a design pattern and model that meets your needs and enhances your wardrobe