SAK'S FIFTH AVENUE here in Harvard Square is enthusiastic about camel hair for this fall. They're showing full fashioned camel hair sweaters with saddle shoulders from England, including a V-neck pullover at $24.50 and a cardigan for $29.50. Sak's also features the 100 per cent camel hair wool blazer. This natural shoulder model with three pearl buttons and flap pockets sells for $69.50. Topping off a three piece camel ensemble is a handsome cotton or heek suede outerwear jacket with up sleeves and a full sherpa lining. The shawl collar, raglan shoulder, slash pockets, and leather buttons light this imported jacket from mark. It comes in old gold and olive and is priced at only $55.

ADELE BRAGAR (on Mass. Ave above Radcliffe) is showing three no 'Cliffle can live without: the wrap around skirt, the cardigan sweater, and the turtleneck top. The skirt comes in cranberry red, loden green, and brown. Fashioned in rich narrow corduroy, it sports conveniently pockets and is priced at a sensible.

The big word this season is "coordinate" and that is what you should do with your skirts and Adele Bragar's full-fashioned British yarn can sweaters. They sell for $9 each and come in a full range of shades. Turtleneck jersies, are stocked in basic colors in sizes small, medium, and large, and fast at $4. Mrs. Bragar's collect India madras roll sleeve shirts, anteed to bleed," is particularly active.

BOUTIQUE EMMI, an intimate port shop, is located only 40 steps from the Charles Street MTA stop and is well worth a browse. Emmi has assembled a unique collection of and novelty gifts from all over world, and is terrible excited above authentic Bauernkittel or peasant blouses just in from Switzerland. Emmi charges just $12.40 for this embroidered, royal blue, parka-like garment which is still worn as a native costume in Switzerland. Ideal for skiing and sailing, it also makes a fine windbreaker to wear to class over sweaters.