- Classic crew neck in luxurious Merino wool. The fine Merino wool adds a superior soft feel. Wear on its own with jeans or under a blazer. The model is wearing a size L and is 187 cm tall. JACK & JONES PREMIUM This thin gauge, minimal crew neck is a staple piece for anyone wanting the Scandi look; or simply a cleaner alternative to a heavy knit. Its weight means it can be comfortably layered, while the Merino wool makes it luxuriously soft to the touch.