Performance Flex Boxer Briefs
by KingSize
![Performance Flex Boxer Briefs, MIDNIGHT NAVY, hi-res image number null](https://www.kingsize.com/dw/image/v2/BBKT_PRD/on/demandware.static/-/Sites-masterCatalog_KingSizeDirect/default/dw233e595d/images/hi-res/1176_27677_mc_0336.jpg?sw=653&sh=940&sm=fit&q=90&strip=false)
![Performance Flex Boxer Briefs, , on-hover image number null](https://www.kingsize.com/dw/image/v2/BBKT_PRD/on/demandware.static/-/Sites-masterCatalog_KingSizeDirect/default/dw8cf94f33/images/on-hover/1176_27677_ma_0001.jpg?sw=653&sh=940&sm=fit&q=90&strip=false)
![Performance Flex Boxer Briefs, , alternate image number null](https://www.kingsize.com/dw/image/v2/BBKT_PRD/on/demandware.static/-/Sites-masterCatalog_KingSizeDirect/default/dw04a06999/images/alternate/1176_27677_ma_0002.jpg?sw=653&sh=940&sm=fit&q=90&strip=false)
![Performance Flex Boxer Briefs, , alternate image number null](https://www.kingsize.com/dw/image/v2/BBKT_PRD/on/demandware.static/-/Sites-masterCatalog_KingSizeDirect/default/dw65357795/images/alternate/1176_27677_ma_0011.jpg?sw=653&sh=940&sm=fit&q=90&strip=false)
Our performance flex boxer briefs wick moisture away from your skin and inhibit the growth of bacterial odors. Plus, they're tagless for ultimate comfort and the polyester/spandex blend fabric is ultra soft with plenty of stretch.
- Wide elastic waistband prevents roll-over
- Tagless label
- Double fabric fly
- Polyester/spandex
- 5" inseam
- Machine wash
- Imported
Love these briefs? Shop our performance boxers and performance cycle briefs.
Pair these briefs with our performance undershirt.
Free exchanges within 60 days of purchase, excluding final sale items.
Our goal is your complete satisfaction! If we have not delighted you, unworn, unwashed or defective merchandise may be exchanged or returned within 60 days of ship date. We are happy to process an exchange at no additional shipping expense for a new size, color, or different item. If you prefer to return, you will receive a refund of the purchase price (less shipping and prepaid return label charges). A refund or exchange will not be processed for products that do not meet exchange or refund criteria, are received after 60 days from the original ship date, or are designated as final sale product.
Exchanges exclude items shipped directly from 3rd party brands, items purchased through Amazon, Walmart, eBay, or other external websites, or purchases made using PayPal.