With the holiday season here, Cambridge shops are full of ideas for Christmas gift-giving. Adele Bragar thinks her Scotch mohair scarf, in either a solid color or plaid, makes an exciting present. She is featuring Siamese silk and Kashmiri silk scarves, too, as well as imported jewelry from Mexico, India, and Spain with many, many items under $5. You can pick up your fake Persian lamb hat which is being seen all over this season for only $4 at Adele Bragar.

Next time you pass Elsie's, notice the window of Sak's Fifth Avenue next door filled with things for women. In its new Boutique, Sak's is showing "a world of witty fashions" selected in New York. There are tailored wool skirts in solids and tweeds, mohair and bulky knit sweaters and proportioned wool slacks. Sensible, stylish and comfortable all at once is Sak's grey flannel wraparound skirt sporting brown suede pockets. If your size is not on hand, Sak's will gladly order it for you from New York immediately.

Delight your girl friend, sister or mother Christmas morning with a pair of mink ear muffs from Sak's for only $15. Among Sak's fine collection of compacts, umbrellas, cigarette lighters, pocketbooks and perfumes, you are sure to find something to please all the women in your life.

Hidden under the Treadway Motel is Moda Boutique, an import shop carrying Milanese knit suits (which range in price from $25 to $150) and outfits from Capri, Israel and Austria. The shop carries a fine assortment of basic lingerie, too. One of its specialities is blouses, made to your measurements in four days from Italian silk scarves you select yourself.

An Italian twin sweater set makes a lovely gift and a good buy. For $18 it includes a short sleeved, full-fashioned sweater plus a long-sleeved cardigan in fine wool knit.

Mrs. Shea also welcomes you to drop by Moda Boutique to look at her costume jewelry, scarves and bulky knit sweaters from Italy.