Released in December 2013, the Nike KD 6 'Christmas' features a Light Crimson upper with a custom lace lock, metallic gold branding, and a Green Glow sole. Kevin Durant wore this during the Xmas Day game between the OKC Thunder and the NY Knicks. 
This particular pair is a "PROMO SAMPLE" received from Nike WHQ. No original box, will ship in a different Nike box.