Calvin Klein Underwear has in its arsenal several products in their Product Line.

Calvin Klein Underwear has in its arsenal several products in their Product Line. From Classic fit briefs, to stretch briefs, to extra leg room briefs.  Their Product mix consists of other such underwear products such as Boxer briefs, Panties for women, Bras,Boy Shorts, Lingerie, and such.

They've recently employed product modification in their "Stretch Briefs", having utilized what Under Armor uses in their clothing; adding nylon and polyester together with cotton to form a thin, stretch, brief that molds and holds to your bodies physique. Ck has also recently made a product line extension by adding this technology in their push up bra, which was previously only seen in panties for women. By utilizing this polyester in their bras, it gives them a lift, and also makes the bra feel as if its custom made to meet the qualifications of the woman's body tone.

Branding is also is very important to set Calvin Klein's underwear to a different companies. They have in big bold letters "Calvin Klein" imprinted neatly on the waistline of the fabric, to let consumers know they're paying for the name, which also comes with top notch quality.