Polo shirt by Calvin Klein Golf, Supplier code: C9161, If you know, you know, Polo collar, Short sleeves, Small Calvin Klein logo, It's the little things that count, Regular cut, Fits you just right. Launching a line of golf clothing and accessories, Calvin Klein brings its modern-minimalist aesthetic to the fairways. Whatever the weather, get your gear up to par with the labels water-repellent soft-shell jackets, hooded windbreakers and tech T-shirts.