I have struggled to find properly fitting running shoes for years. Runner's Den cracked the code. These people know shoes and carry a wide range of sizes, including narrows, in all the best running shoe brand. Asics, Brooks, New Balance, Adidas, Saucony... and much much more. They also carry a nice selection of clothing and running accessories. The sales people are full of good information or training and clubs if you are new to the sport. Very warm and friendly, I much prefer this store to that other place in Scottsdale.