Icebreaker Women&#39;s Bodyfit150 Ultralite Short Sleeve Atlas T-Shirt,Black,X-Small 100% Merino Wool Imported This t-shirt is made from the finest merino that will wick moisture away in hot conditions The merino will keep you cool when you are active and your energy levels are highest Featuring an underarm gusset for added comfort Lightweight and odor resistant Fits close to body, Underarm gusset forms forward side seam Flatlock stitching throughout to prevent chafing from internal seams, Flatlock side gusset and seamless underarm for comfort and ease of movement