FREE U.S. GROUND SHIPPING ON ORDER OF $75+


  • BUTT & COMPRESSION
    Up to 29% off

    Basic Slim Fit Padded Trunk

    $39.00 $55.00
  • BUTT LIFTING
    Up to 31% off

    [DUAL TECH] Lift Jock Thong

    $25.00 $36.00
  • PADDED
    Up to 30% off

    Padded Boxer Brief + Smart Package Cup

    $33.00 $47.00
  • PADDED
    Up to 30% off

    Padded Boxer Trunk + Smart Package Cup

    $33.00 $47.00
  • BUTT LIFTING
    Up to 29% off

    [DUAL TECH] Jockstrap

    $20.00 $28.00
  • PADDED
    Up to 30% off

    Padded Brief + Smart Package Cup

    $31.00 $44.00
  • COMPRESSION
    Up to 30% off

    Slim Fit & Lift Boxer Brief

    $35.00 $50.00
  • BUTT & COMPRESSION
    Up to 29% off

    Slim Fit & Padded Boxer Brief

    $39.00 $55.00
  • PADDED
    Up to 30% off

    ELEMENTAL BLUE Padded Brief + Smart Package Cup

    $31.00 $44.00
  • BUTT & PACKAGE
    Up to 30% off

    H2O Padded + Package Swim Brief

    +2
    $54.00 $77.00
  • BUTT LIFTING
    Up to 30% off

    WORKOUT Lift + Package Megging 3/4

    $46.00 $66.00
  • PADDED
    Up to 30% off

    HERO Padded Brief + Smart Package Cup

    $31.00 $44.00
  • PADDED
    Up to 30% off

    ELEMENTAL BLUE Padded Boxer Brief + Smart Package Cup

    $33.00 $47.00
  • PADDED
    Up to 30% off

    WORKOUT Padded + Package Megging 3/4

    $54.00 $77.00
  • BUTT LIFTING
    Up to 30% off

    SWEET DAYS Jockstrap 5-Pack

    $62.00 $88.00
  • PADDED
    Up to 30% off

    ELEMENTAL BLUE Padded Boxer Trunk + Smart Package Cup

    $33.00 $47.00
  • BUTT & PACKAGE
    Up to 30% off

    H2O Padded + Package Swim Brief

    $54.00 $77.00
  • BUTT LIFTING
    Up to 30% off

    [DUAL TECH] Jockstrap Modal

    $21.00 $30.00
  • BUTT LIFTING
    Up to 29% off

    TRANSPARENT PRIDE [DUAL TECH] Jockstrap

    +3
    $20.00 $28.00
  • BUTT LIFTING
    Up to 29% off

    NEW YORK [DUAL TECH] Jockstrap

    $20.00 $28.00
Rounderbum Dual Tech is the roundest of all-round butts. We are a premium online retailer for padded boxer trunk + smart package cup and other rounderbum dual tech products.