Even as snow continues to blanket much of the country, most of us are gearing up for summer and the hot temperatures to come. Last year was the hottest ever recorded in the US, with July 2012 the warmest month on record. With this continuing warming trend, many companies are looking to play in the ever growing cooling apparel market. CoolCore is the latest to throw their hat in the ring with a cooling technology that claims to lower the temperature of the fabric to 30% below your skin temperature for up to several hours.