CLIF BLOKS™ are the latest nutrition option for endurance athletes. Bloks come in chewable, 33 calorie cubes, making it easy to customise and track caloric and electrolyte intake during long outings and races. A blend of tangy and dark berry flavours, as if perfected in rarified mountain air. Simple-to-handle and easy-to-chew, CLIF® BLOKS® for your workout.