Calvin Klein - 3PACK men's boxers Boxers of premium quality, behind which the Calvin Klein brand stands we do not have to introduce for a long time. Boxers are made of cotton and have a nice woven rubber with the Calvin Klein logo. Size chart CALVIN KLEIN - MEN BOXERS / BRIEFS SIZE HIP CIRCUMFERENCE (CM) UNSTRETCHED CONDITION (CM) S 68-77 65 M 78-87 72 L 88-98 80 XL 99-114 86 XXL 115-120 114