Calvin Klein CK One Two Pack Of Crew Neck T Shirts in White, Slim Fit. Cool breathable cotton fabric with added stretch for a body defining fit and a crew neck design with short sleeves. A woven Calvin Klein logo patch is sewn onto the lower left in grey and white. 95% Cotton and 5% Elastane. Brand New Collection Of Calvin Klein Boxers, Trunks and Underwear Live Online UK.