The Jockey Generation Modal Stretch trunk was built to deliver ultimate comfort. Made of supremely soft fabric with a covered waistband and supportive functional fly, this pair feels unbelievably light, luxurious and comfortable all. day. long. The added stretch allows the fabric to flex and recover for non-restrictive comfort and shape retention, while the leg design helps prevent shifting, bunching and ride up as you go about your day. Enhanced with Staycool+ technology, this go-to style will help you feel cooler and drier. Like every Jockey Generation product, the Modal Stretch trunk underwear is 100% guaranteed for comfort, fit and quality.