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. The Seamless Thong in black is the perfect base layer for your work and weekend styles. Crafted from a seamless knit fabrication with flat edges, this piece is as discreet as it is comfortable. The brand’s logo is embossed at the waistband for enduring style. Microfibre jersey. Seamless knit with flat edges. Medium rise. Calvin Klein logo at the waist. Thong style.