Get FREE SHIPPING on all orders over $150 with code "ISHIPBADBUI" at checkout (US only)

Collection: BADBUI Core Swimwear & Underwear Collection

8 products
  • BADBUI Signature Starter Pack
    Regular price
    $75.00
    Sale price
    $75.00
  • Micro Modal Jockstrap- JET BLACK
    Regular price
    $32.00
    Sale price
    $32.00
  • Modern Classic Swim Brief- JET BLACK
    Regular price
    $80.00
    Sale price
    $80.00
  • Swim Thong- Neon Yellow
    Regular price
    $60.00
    Sale price
    $60.00
  • BADBUI Compression Sock
    Regular price
    $15.00
    Sale price
    $15.00
  • Modern Classic Swim Brief- NEON YELLOW
    Regular price
    $80.00
    Sale price
    $80.00
  • Micro Modal Flex Brief- JET BLACK
    Regular price
    $35.00
    Sale price
    $35.00
  • Swim Thong- Jet Black
    Regular price
    $60.00
    Sale price
    $60.00

⚡ Black. Neon. BADBUI.😈 

Premium Men's Underwear Designed for Comfort and Support

BADBUI Core Collection represents the foundation of the brand, combining bold design with everyday performance. This collection features our signature underwear and swimwear styles in classic Black and Neon Yellow, including briefs, jockstraps, and swim briefs. Each piece is crafted with premium fabrics, durable waistbands, and modern fits designed to deliver comfort, support, and long-lasting wear whether you're at the office, at the beach, or going out for the night.

A Brief Guide to Men's Underwear Styles

The Core Collection focuses on essential styles that balance function and confidence. Briefs provide a supportive, streamlined fit with minimal fabric for all-day comfort. Jockstraps offer athletic support and breathability while maintaining a bold, modern silhouette. Our swim briefs are designed for movement in and out of the water, offering a sleek fit with substantial fabric that holds its shape. The signature Black and Neon Yellow color palette delivers a striking contrast that has become a defining part of the BADBUI look.

Performance tested, BADBUI approved

At BADBUI, every product is personally wear-tested to ensure it performs where it matters most. We evaluate fabric durability, stretch recovery, waistband tension, and how each piece holds up after repeated washing and wear. The goal is simple: create essential underwear and swimwear that feel great, last longer, and make a statement.

Shop our Men's Swim Brief and Thongs

Explore the BADBUI Core Collection to discover the signature Black and Neon Yellow pieces that define the brand. Get FREE SHIPPING on all orders over $150 with code "ISHIPBADBUI" at checkout (US only).

Available styles

Jockstraps

Flex Briefs

Swim Briefs

Speedos

Compression Sock