Under Armour O Series BoxerJock® Men's Boxerbriefs



Item #: 331094324

When Under Armour introduced the O Series Underwear, all other men’s athletic underwear was rendered obsolete. The men’s O Series Boxerjock® is built from our smooth, sleek HeatGear® fabric for the best performance. Under Armour’s signature moisture transport system to keep you cool, 4-way stretch to keep you moving, and anti-odour technology to keep you fresh.

NOTE: Find in Store inventory levels are continuously changing. Please contact store to confirm availability is as shown.


  • lightweight HeatGear® fabrics
  • superior HeatGear® moisture transport keeps you cool and dry
  • articulated mesh crotch for comfort, ventilation, and support
  • 4-way stretch for added comfort
  • anti-odour technology
  • working fly


  • 90% Polyester / 10% Elastane
  • Inseam: 9 in.

Shipping Info

  • Leaves the warehouse in 1-7 business days depending on order volume
  • Items may be returned within 60 days of the order date to a Sport Chek retail store or a Sport Chek warehouse. Items must be returned unused/unworn and electronics unopened. See Online Return Policy & Return Instructions for more information
  • Note: Shipping restrictions may apply based on location and product size


Overall Rating: 2.5
Recommended By: 33%
Under Armour O Series BoxerJock® Men's Boxerbriefs
Overall Rating: 2.5
Recommended By: 33%