Shorts UNIFORM Students are required to wear the Unit 5 physical education uniform. The Unit 5 uniform consists of a grey shirt with the student's last name written on the back and black shorts. Order forms are available in the main office. If purchased through the school, each piece is $10. LOCK A combination Master lock is required for each student for their physical education locker. These may be purchased in the main office for $6.00. POLAR STRAP Polar heart rate monitor straps will be used during physical education classes. Incoming 6th graders and new students to CJHS can purchase during registration at the beginning of the year.