Gonna Make You Sweat... In the Hottest New Sweatshirts

Yup, sweatshirts. They've been all over the runways and spotted on the most stylish celebrities. And we're psyched. These are not the frumpy, hot fudge sundae-stained hoodies you hang around the house in or the ratty old crewnecks adorned with your college alma mater. Unusual patterns, fabrics, and embellishments have made classic sweatshirts the most covetable and comfortable garments around. Here are our faves. By Joanna Douglas, Senior Fashion and Beauty editor