Jump to NavigationJump to Content
If you are vision-impaired or have some other disability under the Americans with Disabilities Act or a similar law, and you wish to discuss potential accommodations related to shopping on or using the benefits of the 511tactical.com website, please contact customer service at 1-866-451-1726 or customerservice@511tactical.com between 6:30 am and 5:00 pm Pacific Time, Monday through Friday.
ZoomClick to Zoom
Shop With Confidence:
Shipping Info

Style# 40156

Performance 9" Brief

Average rating of 100%
View Size & Fit Chart

Purpose Built

Flexible, confident, and designed for all day comfort, the 5.11® Performance Brief offers enhanced moisture wicking and odor control characteristics that keep you dry and focused during periods of high exertion.

Features and Benefits

  • Confident fit, flexible design
  • Moisture wicking
  • Extra-wide 1.5 inch waistband


  • Poly/spandex quick-dry fabric
  • Flat locked seams for comfort
  • Tagless label
  • Imported
Product Reviews

Ratings and Reviews

 5 average rating

(based on 2 reviews)

100 %

very comfortable

 Rated 5.0 stars

From Albert


It's so comfortable and flexible. You won't find any better underwear.

Awesome feel and comfort

 Rated 5.0 stars

From Sam


I always want to feel that I'm "ready" for what ever comes and these briefs help me do that. They have an awesome feel and comfort, and have held up to some serious use. In fact I'm reordering today so I can wear these all the time.

2 Item(s)

Write Your Own Review

Only registered users can write reviews. Please, log in or register