I am very similar in that I am 47, have 4 dc 25,18,16,9.
Have also lost a lot of weight thus year, almost 3 stone and am now size 6 to 8.
I wear skinny jeans with ankle boots and either long sleeve tee in one of my colours, ie either navy, grey,charcoal,dark green, berry.
usually layered over a tight fitting vest from Primark.
have rediscovered jumpers but I can only do fine knit, I like White Company,Jigsaw,Mint Velvet and Uniqlo.
I usually wear a scarf in toning colours, have purchased from White Stuff,Fat Face, Primark,Ebay,National Trust shops..
I also wear jersey dresses from Boden, silk dresses from Whistles,mint Velvet dresses, Great Plains.
above with knee boots or ankle boots at this time of year.
I like little jackets, leather or faux leather, Jersey bikers,boucle chanel style etc.
Bit of epic post there but hope I've helped!