Calvin Klein Men Underwear 1 Pack CK Ultra Soft Modal Trunk Microfiber Blue Brand New with tag. 100% Authentic. Same or Next Day Shipping MSRP: $35.00 SAVE NOW! "The More You Bundle - The Better Offer You Get!" Ultra soft and sleek, this essential trunk is made with a modal stretch blend for a luxurious feel. Finished with Calvin Klein Underwear repeating logo waistband, a contoured pouch for smooth construction and seaming details for a silky bottom layer.