Ariat Men's Caldwell Full Zip Sweater, Charcoal. The popular Ariat Caldwell Sweater is the perfect lightweight warmth for crisp days. 9 oz sweater fleece with Greater Arm Mobility seam construction for maximum range of motion. AriatTEK Cold Series technology keeps body core warm. This jacket features a mock collar, zippered hand pockets, and embroidered logos. 100% polyester.