Dare 2b Kids Freeze Jam II Half Zip Fleece Top Polyester, , The kids Freeze Jam II Fleece from Dare 2b is a year-round classic. Its made using soft, mid-weight microfleece fabric. The inner is brushed for added comfort and the outer has an anti-pill finish to help stop it getting bobbly. Complete with a half-zip fastening, its a great grab and go piece for the mountains. Polyester (100%).