Coldblack174coldblack174 technology which is a coating applied to the oxygen fabric featured across the rs1 dream kona range reflects the sun away from the body making it feel like youre wearing white when youre wearing black this allows you to stay cooler for longer in warm conditions keeping your core body temperature lower featherliteorca exclusive featherlite is a very light and thin fabric weighing in at just 80gsm used specifically on the side panels in the body and in the le