There's magic to Only's Lea Tank Top as it's fully reversible. Wear it with low u-neck or flip it around and for a high neck. Women's tank top Form fitting Reversible U front and high neck/back 94% nylon, 6% elastane Model wearing a small Size Guide: XS = chest 82 cm, waist 65 cm S = chest 86 cm, waist 69 cm M = chest 90 cm, waist 73 cm L = chest 94 cm, waist 77 cm XL = chest 98 cm, waist 81 cm