Just wondering how you keep toddlers warm in winter. The sleep suits were great when he couldn't walk, but obviously not now... he is currently wearing flannelette pj's but they creep up his back and he gets cold and if I put socks on him he will pull them off or they will fall off during his sleep because he's a restless sleeper. I can't find any onsies in a size 3... I'm sure you can get them, but I've looked around and no luck... any ideas??