An Extra 30% Off is taken when you add select items to the cart at Jack Threads during its Columbus Day Fall Sale. For example, this Straight Faded L/S Large Plaid Shirt (pictured) drops from the sale price of $28 to $19.60 when you add it to the cart. It's available in S to XL Or, this Astronomy Fairbanks Vest drops from $30 to $21. It's available in sizes S to 2XL. Membership is required to shop the site, but signup is easy and free. Shipping starts at $4.95 but there is no sales tax (except OH and NY).