For something in the middle of the price range, why not take a look at this Gucci Cardigan. While the price is very reasonable, this piece is an easy wardrobe update. It's also worth taking a look at this Gucci Oversized Sweater. This item is ultra popular and, just as importantly, not too pricey.
If you want to treat yourself, then you won't be disappointed if you check out this Gucci Sweatshirt. It's an expensive but smart option. Why not take a look at this Gucci Hoodie too? Expensive, but worth every penny.