Inserch Aztek Cotton Blend Mock Neck Sweater IDEK: 9 1 2 ll Walmart YouTube. The Mock Neck Sweater by Inserch, Fellas, basically you should have one of every color, this is a year to year must have if you're a dresser. Pairs underneath blazers, sweaters, cardigans. Wear it with plaid pants, casual pants or one of our jordan craig jeans. The best layering piece for fall winter Regular fit, they run a bit large (go down a size if you like a snug fit)