Our lightweight V-neck sweaters look handsome over our sport shirts and dress shirts and won't overheat you.Ribbed knit v-neck, cuffs and hem Lightweight, breathable cotton/wool Machine wash imported Big length abt. 30". Tall length abt. 32" Our Expert Opinion. Take the guesswork out of getting dressed up in this v-neck sweater that looks sharp without the stuffiness. The super soft acrylic knit is lightweight and gives that little extra bit of warmth you need in colder weather.