Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Great Shoes, jut be careful with sizing

In general, I am very satisfied with the Clarks Desert Boots. The quality is excellent, the color is great and the delivery was surprisingly fast for an APO address... It just took 8 days... BUT... be careful while choosing the size. I am normally wearing size 9, the Clarks were at least 10.5 although saying 9 on the box. Luckily, I could sell my pair to a friend and ordered another one with the size 8.5. This time it was just right. Otherwise, these are great shoes!