Getting a comfortable fit with men’s compression briefs starts with your waist measurement and the product’s size chart.

• Measure your waist: Use a soft tape around where you wear your waistband.
• Check the size chart: Each product page can list measurements—match yours to the chart.
• Aim for snug, not restrictive: You should feel supported without pinching or gaping.
• Consider rise and length: High-waist shapewear prioritizes torso coverage; long-leg cuts can help reduce thigh friction.
• Review fabric blend: Nylon/spandex and microfiber blends often have more stretch than cotton-heavy options.

Using filters on Walmart.com by size, length, and features (like pockets or support pouches) can make selection easier. Fit preferences vary, so customer reviews can offer helpful context.

They serve different needs, so it helps to match style to use.

• Compression shorts/boxer briefs: Athletic baselayers with a snug feel and longer legs. Many list moisture-management fabrics and support pouches for training.
• Compression briefs: Shorter leg or trunk styles that offer support with less coverage—good under everyday pants.
• Shapewear/high-waist styles: Designed for smoothing and a secure waistband, sometimes described as tummy control or anti-curling.
• Swim trunks with compression liners: Quick-dry swim shorts that include a built-in liner for in-water support.

Product titles and descriptions on Walmart.com highlight rise, leg length, and features (e.g., pockets, seamless construction) so you can choose what fits your routine.

It often comes down to fabric, length, and construction.

• For workouts: Look for performance blends (e.g., nylon/spandex), smooth seams, and longer legs to help reduce friction. A supportive pouch and options with pockets can be convenient for training.
• For daily wear: Softer materials like modal or microfiber can feel extra comfortable under jeans or chinos. Tagless and seamless designs can lay flatter under clothes.
• Versatile picks: Mid-thigh lengths balance coverage and mobility, making them adaptable for both routines.

Descriptions and reviews on Walmart.com can give additional context on feel and durability. Results vary by preference, so consider trying a multi-pack to dial in your comfort.

Always follow the care instructions on the product page or garment tag. For many performance fabrics, these steps can help maintain stretch and comfort:

1. Wash cool: Use cold water on a gentle cycle to help protect fibers.
2. Skip fabric softeners: They can coat technical fabrics and may affect breathability.
3. Air dry: Hang or lay flat; high heat from dryers can break down elastane over time.
4. Turn inside out: This can reduce pilling and keep the exterior smoother.
5. Rinse swim liners: After pool or saltwater use, a quick rinse can help reduce wear.

Care practices vary by material, so checking each item’s specific guidance is recommended.

Some men’s compression shorts list built-in pockets that can carry a phone, but performance depends on placement and fit.

• Look for snug side pockets: Hip-hugging sleeves tend to bounce less than loose pouches.
• Match size to device: Check photos and details to gauge pocket depth and stretch.
• Test the fit: A close, secure waistband and firm fabric can help reduce movement.
• Consider alternatives: For intense runs, a running belt or armband may feel steadier.
• Mind keys/cards: Zippered or internal stash pockets can keep small items more secure.

Product reviews on Walmart.com can provide real-world feedback on pocket stability across different activities.