Set of men's thermal underwear includes one crew neck long sleeve top and one pair of elastic waist long johns. Made from a sturdy & long lasting stitch to provide long lasting & dependable wear. Makes a great gift as well. Traditional Crew Neck Top, Long Sleeves Thick Waffle Stitching, Long Lasting & Durable Ultra Soft, Warm & Comfortable Product Code: APC00322 SKU: CL03296 Small measure 38 inches long, top to bottom. Medium measures 39 inches long. Large measures 40 inches long. X-Large measures 41 inches long. XX-Large measures 42 inches long. XXX-Large measure 43 inches long.