Introducing the Ralph Lauren Jogger-sleep-bottom. The Boxer Trunks In This Three-Pack Are Made From Lightweight Cotton With A Hint Of Stretch For All-Day Comfort. Washing Instructions: Machine Wash Composition And Material: 95% Cotton, 5% Elastane. Underwear Multipack: Yes Ralph Lauren, Composition, Jogging Bottoms, Mens Joggers, Mens Outfits, Joggers, Men's, Ralph Lauren Men, Man Bag