Cristiano Ronaldo CR7 Mens 3 Pack Briefs - Basics 95% Cotton/ 5% Elastane Style: Basic Mens Briefs(3 Pack) Material: 95% Cotton, 5% Elastane The Cristiano Ronaldo Essential Cotton Stretch Briefs - 3 Pack 8100-66 offers everything you're looking for in a pair of briefs. Cristiano Ronaldo's Essential Cotton Stretch Briefs - 3 Pack is made of cotton/elastane.