Synonyms for V-necks:

n.

•clothing (plural) (noun)
burnooses, camisoles, windbreakers, bowlers, shorts, stockings, trench coats, berets, t-shirts, tuxedoes, pyjamas, coats, tunics, robes, garments, halters, costumes, blue jeans, Habits, brassieres, jumpers, pull-overs, Scarves, duds, Stetsons, nightgowns, trimmings, pajamas, blouses, caftans, sports coats, garbs, kilts, gowns, capes, vestments, trousers, petticoats, greatcoats, sweat suits, ensembles, frocks, chemises, apparels, skirts, sweat shirts, Ponchos, raincoats, parkas, hats, topcoats, housecoats, evening gowns, corsets, mackintoshes, fedoras, suits, saris, shoes, Jerseys, outfits, vestures, wrappers, sarongs, jackets, panties, dinner jackets, Doublets, bathrobes, wraps, sweaters, shawls, smoking jackets, kimonos, dresses, headdresses, turtle-necks, crinolines, Boots, bonnets, smocks, pants, slacks, Afghans, pillboxes, dressing gowns, cloaks, pea coats, shirts, blazers, furs, slickers, overcoats, pinafores.