The Boulder is an update to our original and a perennial favorite

an innovative heating pocket located underneath the insulation layer

It's made from pre-shrunk fabric so you won't find any surprises after its first trip through the wash

Cleats: SM-SH51

Specialized Flashback Taillight quick-fact__lightinsulation The Boulder is an updatePut this little bright spot anywhereyour belt, your backpack, your seatpostand ride on. The Flashback is your go to savior, packing a mighty Im here! punch to keep you visible on the streets. With its belt clip, you can literally clip it on just about anything, and its compact size makes it a total no brainer for keeping your ride safe and your street cred high. Compact, bright, and waterproof. Built in fabric belt clip makes it a clip anywhere