- Occasion: Calvin Klein Sportwears makes it perfect for any occasions: good for work, daily wear, travel, night out,etc. - Match: Wear as is or pair with a jacket, cardigan, coat, sweater. Suitable to wear in spring, summer and fall. - Features: Classic pull on sleeveless,breathable fabric, two pockets at the waist, designer CK logo. Solid color, trendy and elegant.