Performance 9" Brief - Storm, Medium 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. Crafted from 86% polyester / 14% spandex tricot fabric, the 5.11 Performance Brief provides superior support and comfort while remaining flexible and breathable, and an extra wide 1.5 inch elasticized waistband ensures a secure fit when you're on the move. If you need high performance, moisture wicking, quick dry underwear that won't slow you down, the 5.11 Performance Brief delivers. Description: Storm Medium Confident fit, flexible design Moisture wicking Extra-wide 1.5 inch waistband Specifications: Poly/spandex quick-dry fabric Flat locked seams for comfort Tagless label Odor Control technology that inhibits the growth of odor-causing bacteria