The best base layer! With added performance features like breathability, wicking and absorbency—Thinstincts® is the perfect smoothing, lightweight layering piece. Micro-fiber offers lightweight, breathable feel Non-compression bust offers a smoosh-free fit Bonded armholes and hem for added comfort Elastic-free – no pinching Support Level 1: Smooth - A Light Hug Body: 53% Spandex/Elastane, 47% Nylon. Bodice: 77% Nylon, 23% Spandex/Elastane Women's Large. Excellent, like new quality!