Calvin Klein Underwear, curated by Reiss, is a collection of lingerie designed to elevate the underwear drawer and work perfectly beneath your existing Reiss garments. Feel comfortable from the first layer. Crafted from a high-stretch cotton jersey, the black Shorts Pyjama set lends breathable comfort to your evening routine. The T-Shirt is cut with a crew neckline and the shorts are a straight-leg shape. The brand’s signature monogram waistband and a branded tag are added to the shorts, finishing the look. Shorts and T-Shirt set Cotton jersey Crew neckline Short sleeves Signature monogram waistband Branded tag to hemline.