The Icebreaker Women's Sprite Tank An ultralight, slim-fit tank top that's ideal for layering or wearing alone on hot days, the Sprite Tank combines a V-neck racerback design with our soft and breathable corespun fabric. Features: FABRIC WEIGHT: 150 Ultralight FABRIC: 83% Merino Wool, 12% Nylon, 5% LYCRA(R) corespun PRODUCT WEIGHT: Medium = 81 g / 2.86 oz