Backpack by Calvin Klein Jeans, For those must-carry essentials, Grab handle, Adjustable straps, Flap Top, Embroidered logo, Twin side pockets. With a company history spanning back to 1968, Calvin Klein originally started life as a coat store in New York City. The now iconic label, famed for their minimalist approach, offers up covetable diffusion lines CK by Calvin Klein and Calvin Klein Jeans, both of which channel the label's inimitable style.