Skip to content
  • New Arrivals
    • Shop By Style
      • Swing Shift
      • Day Shift
      • Power Shift
      • Night Shift
      • Long John
    • Shop By Cut
      • Trunk Cut
      • Boxer Brief
      • Long Leg
      • Long John
  • Apparel
    • Tops
      • Tee Shirts
      • Polos
      • Pullovers
      • Outerwear
    • Bottoms
      • Shorts
      • Pants
  • Accessories
    • Backpacks
    • Luggage
    • Toiletries
    • Cooler Packs
  • Technology
  • Sale
  • Log in
  • Instagram
  • Facebook
  • Twitter
Cart
Subtotal
$0.00
Shipping, taxes, and discount codes calculated at checkout.
Your cart is currently empty.
FREE SHIPPING ON ORDERS $99+
2UNDR 2UNDR 2UNDR 2UNDR
  • New Arrivals
  • Underwear
    • Shop By Style
      • Swing Shift
      • Day Shift
      • Power Shift
      • Night Shift
      • Long John
    • Shop By Cut
      • Trunk Cut
      • Boxer Brief
      • Long Leg
      • Long John
  • Apparel
    • Tops
      • Tee Shirts
      • Polos
      • Pullovers
      • Outerwear
    • Bottoms
      • Shorts
      • Pants
  • Accessories
    • Backpacks
    • Luggage
    • Toiletries
    • Cooler Packs
  • Technology
  • Sale
Log in Search Cart

Sign up and save

Entice customers to sign up for your mailing list with discounts or exclusive offers. Include an image for extra impact.

Optional button
Home / 4XL / size-xl
Filter

Filter

Type

  • Underwear

Style

  • Swing Shift
  • Power Shift

Length

  • Boxer Brief
  • Long Leg

Size

  • XS
  • S
  • M
  • L
  • XL
  • 2XL
  • 3XL
  • 4XL
  • 5XL
clear

Color

  • Print
  • Solid

Price

  • $19 to $29
  • $29 to $39
  • $79 to $89
  • $89 to $99
  • Over $99

4XL

Save $6
Power Shift Long Leg - Black
Regular price $29.95 Sale price $23.95
Save $6
Power Shift Long Leg - Cool Grey
Regular price $29.95 Sale price $23.95
Save $10.95
Power Shift Long Leg - White
Regular price $29.95 Sale price $19.00
Swing Shift Boxer Brief - Banathlete Navy
$34.95
Swing Shift Boxer Brief - Basic Black 3 Pack
$80.00
Save $36
Swing Shift Boxer Brief - Basic Black 6 Pack
Regular price $180.00 Sale price $144.00
Swing Shift Boxer Brief - Basic Navy 3 Pack
$80.00
Save $36
Swing Shift Boxer Brief - Basic Navy 6 Pack
Regular price $180.00 Sale price $144.00
Save $10
Swing Shift Boxer Brief - Basics 3 Pack
Regular price $90.00 Sale price from $80.00
Swing Shift Boxer Brief - Black/Grey
$31.95
Swing Shift Boxer Brief - Grey/Blue
$31.95
Swing Shift Boxer Brief - Navy/Grey
$31.95
Swing Shift Boxer Brief - Space Golf Black
$34.95
Swing Shift Long Leg - Black/Grey
$33.95
Save $13
Swing Shift Long Leg - Freedom
Regular price $36.95 Sale price $23.95
Swing Shift Long Leg - Grey/Blue
$33.95
Swing Shift Long Leg - Navy/Grey
$33.95

About 2UNDR

  • Company Overview
  • Technology
  • Ambassadors
  • Quality Control
  • In Press
  • Contact Us

Support

  • Frequently Asked Questions
  • Washing Instructions
  • First Pair Guarantee
  • Shipping Information
  • Returns and Refunds
  • Warranty Claim Request
  • 2UNDR Rewards
  • Refer a Friend

EMAIL LIST

Sign-up for our emails and score 10% off your first order, plus enjoy early access to new products and offers. 🦘

Country Selector

United States Denmark Europe Finland Japan United Kingdom
  • Instagram
  • Facebook
  • Twitter
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • Visa
© 2023 2UNDR • Terms & Conditions • Privacy Policy Powered by Shopify