Experience exceptional comfort with the Calvin Klein Modern Cotton Stretch 3-Pack Trunks. This value pack includes boxer trunks in Black, Rusted Root burgundy, and Rock Ridge grey. Featuring a pouch front and the iconic Calvin Klein Modern Cotton logo waistband in contrasting white. Crafted from a blend of 57% Organic Cotton, 38% Modal, and 5% Elastane for a soft and stretchy feel. MPN: nb3963a-pt1. Part of our popular Calvin Klein Modern Cotton underwear range, now utilizing certified Organic Cotton. Available in sizes from Small to 4XL. Calvin Klein Men's Underwear size guide: Small = 28-30 inch waist, Medium = 32-34, Large = 34-36, X-Large = 36-38, XX-Large = 38-40, 3XL = 40-42, 4XL = 42-44.