RON DORFF Jockstrap + 7 The iconic jockstrap, trusted since 1875 to keep everything in place during physical activity, has been reimagined by RON DORFF as a luxurious underwear essential. Designed with a tailored fit, it is crafted from premium cotton jersey with a touch of elastane to ensure lasting support and shape, wash after wash. A wide exposed elastic waistband with reinforced top stitching provides exceptional comfort, whatever the activity.