Leighton Mock Neck Sweatshirt in Black Vans UK Norse Projects Mock Neck Long Sleeve Polo Sweater Black Sweaters Black long sleeve mock neck sweater loose baggy Depop Buy AD By Arvind Men Self Design Mock Collar Long Sleeves Pullover. Black solid sweatshirt has a mock collar, no pockets, long sleeves, half zipper closure, ribbed hem Perfect for any fashion forward individual, this sweatshirt offers a classic black color, a sleek mock collar, and convenient half zipper closure. Designed with a ribbed hem, it's both stylish and comfortable, making it a must have addition to any wardrob.