Long Sleeve Shirts by Theory Add to WardrobeRemove from Wardrobe FavoriteUnfavorite Shop It Outfits Sort by featured Sort by price: high to lowSort by price: low to high Theory Sylvain Kenai Slim Fit Button Up Shirt $165 Theory Sylvain Kenai Slim Fit Button Up Shirt $165 Theory Sylvain Kenai Slim Fit Button Up Shirt $165 Theory Sylvain Kenai Slim Fit Button Up Shirt $82 $165 Theory Irving Button Shirt $185 $264 Theory Sylvain Wealth Shirt $185 $264 Theory Udeval Crew Breach Regular Fit Button Up Shirt $195 Theory Udeval Crew Breach Regular Fit Button Up Shirt $195 Theory Trim Fit Solid Sport Shirt $195 Theory Sylvain Trim Fit Long Sleeve Sport Shirt $99 $165 Theory Sylvain Shirt $203 Theory Murrary Shirt $130 $217