Crafted from heavyweight French terry fabric with a roomy fit, this short-sleeve crew from Nike ACG combines yin and yang for All Conditions Gear's all-round, premium comfort. It fits like your favorite t-shirt but will keep you warm like a sweatshirt - a perfect garment for those cooler summer nights around the campfire. This product is made from at least 75% sustainable materials. Both recycled polyester and organic cotton fibers are used. This blend consists of at least 10% recycled fibers or at least 10% organic cotton fibers.