Save now on Big and Tall Long Sleeve Knit Shirts and Polo Shirts at Big and Tall Pants Warehouse. Big Tall Pants offers a variety of long sleeve knitted shirts for big or tall men. Are you looking for comfort and a relaxed fit? We have what you need. Carhartt, Nautica, Rusell Athletic, Callaway, Cotton Traders, White Mountain Traders provide the extra warmth needed on cold days. Big Tall Pants has big men's long sleeve knit shirts, big men's long sleeve polos, tall men's long sleeve knit shirts, and tall men's long sleeve polos.