Shun the sun. The Blocker Cropped is like instant shade for our shoulders and arms, without the unnecessary bulk. For some woman-made A.C., just dunk it, wring it, and pull it on. Thumbholes. This year's version has better coverage for fuller busts. By BloqUV. XS(0-2), S(4-6), M(8), L(10-12), XL(14-16).