Natural Uniforms Long Sleeve Body Suit is made of an excellent 95% Cotton//5% Spandex blend that combines breathability with warmth for superb all day comfort. The ultimate form fitting base layer. Made of super-soft double-lined cotton the Long-Sleeve Round-Neck Bodysuit features long sleeves and a supportive curve-hugging fit. Plus it’s got a snap closure for extra ease. PLEASE REFERENCE OUR SIZE CHART FOR BEST FIT.