Pac-12 uniform watch: Colorado shined up in silver against Arizona

The Colorado Buffaloes host Arizona for homecoming wearing silver from head to toe. Meanwhile, Utah alters its helmet logo and UCLA teases its blackout for next week's game.

Ralphie is getting all shined up for homecoming with an all-silver uniform combo against Arizona.

Apparently, the Wildcats have never gone with this look. It's red helmets, red jerseys and blue pants in their visit to Boulder, Colo.

Utah’s helmets got a tweak this week with a satin “Utah Proud” design inside the block U. The Utes will pair the fresh helmets with black jerseys and red pants.

The Sun Devils attempt to upset Utah in Salt Lake City wearing white threads and their alternate matte gray helmet.

Nothing like hosting a fashion-savvy team like the Ducks on homecoming, right? Washington will give its own take on aesthetically-pleasing uniforms with gold helmets and pants to go with purple jerseys.

The Beavers roll into the Palouse gearing up in metallic orange helmets, orange pants and white jerseys.

UCLA had a rough go wearing white unis and gold tops against Stanford.

The Bruins are already teasing next weekend's blackout against Cal. Here's a peek at the matte black helmets that have some electric blue pinstriping around a gold UCLA logo.

Cardinal running back Christian McCaffrey broke some records against UCLA in a classic, bruising Stanford style. He and his teammates did so wearing the classic Stanford uniforms -- white helmets and pants with cardinal jerseys.