1. Argyle Sweater Vests: Argyle patterns feature diamond-shaped motifs that are often overlaid with lines. They exude a classic and refined vibe. Pair an argyle sweater vest with a white collared shirt and tailored trousers for a preppy look. You can also layer it over a turtleneck and jeans for a cozy yet polished outfit.

2. Fair Isle Sweater Vests: Fair Isle patterns originate from a Scottish technique and often feature intricate designs with multiple colors. These patterns are perfect for adding a cozy, wintery charm. Style a Fair Isle sweater vest with jeans or corduroy pants. Pair with knee-high boots and a chunky knit scarf for a chic winter ensemble.

3. Cable Knit Sweater Vests: Cable knit patterns create a textured and rustic appearance. A cable knit sweater vest can be worn over a lightweight turtleneck or a long-sleeve blouse. Pair with a midi skirt and ankle boots for a mix of textures and a balanced look.

4. Striped Sweater Vests: Vertical or horizontal stripes on sweater vests can add a playful and modern touch. Striped sweater vests pair well with solid-colored tops. For a nautical-inspired look, pair a striped sweater vest with white pants and boat shoes.

5. Houndstooth Sweater Vests: Houndstooth is a classic pattern that adds sophistication. You can wear a houndstooth sweater vest over a black turtleneck and trousers for a monochromatic look. Alternatively, layer it over a collared shirt and add a statement belt for a stylish ensemble.

6. Floral or Paisley Sweater Vests: For a touch of whimsy, consider sweater vests with floral or paisley patterns. These patterns can add vibrancy to your outfit. Pair a floral or paisley sweater vest with a solid-colored dress or skirt to let the pattern shine.

7. Geometric Sweater Vests: Geometric patterns offer a modern and edgy twist. Choose a sweater vest with bold geometric shapes and pair it with neutral bottoms. This pattern can be a great focal point of your outfit.

8. Polka Dot Sweater Vests: Polka dots add a playful and retro vibe to sweater vests. You can wear a polka dot sweater vest with a collared shirt and high-waisted pants for a vintage-inspired look.

9. Novelty Sweater Vests: Novelty patterns, like animals, objects, or whimsical designs, can add a touch of fun to your outfit. Keep the rest of your outfit relatively simple to let the novelty pattern shine.

When styling sweater vests with patterns, consider balancing the outfit by pairing them with solid-colored or neutral pieces. This allows the pattern to stand out without overwhelming the overall look. Remember that patterns can bring personality to your ensemble, so have fun experimenting and expressing your unique style.