I love these so much. They fit fantastic, have no bulk and keep me safe from errant drafts that try to sneak in under my shirts. These don't ride up at all, nor do they cling or constrict in any way. I like to wear two at a time as my top. I wear two in contrasting colors, off-setting them slightly so the one underneath peeks out, then I throw on a light sweater for my arms and I'm good to go. When is gets hot in summer I won't bother with the sweater. I just wish these were less expensive and that they came in multi packs.