Review on Amazon Essentials Men's Long Sleeve Shirt in Regular Fit by Charles Parente

I bought a 16 inch 32-33 inch French blue shirt. Loved the colour, fabric and fit when I first tried it on. Nicely washed. I liked it so much that I decided to buy two or three more. So what's the problem? Well when I put it on and keep my arms by my sides it's great, but when I move my arms or do almost anything the sleeves get 1-3 inches shorter and I have to move my arms back to the sides and pull sleeves down. The shirt is too small at the back.