Join Shirley Recreation for its next adult and senior yoga session. Classes will be held through Feb. 13 at the Hazen Library on Wednesday evenings. There will be no classes on Dec. 26.

Senior yoga is held from 5:30 to 6:30 p.m. and is a system of gentle stretches, centering and breathing techniques. During the class you will release stiffness in joints, gain better flexibility and balance, feel energized and leave with a calming sense of well-being. The cost for the eight-week session is $25 for Shirley residents and $30 for nonresidents.

Adult yoga is held from 6:45 to 8 p.m. and the cost for the eight-week session is $60 for Shirley residents and $65 for nonresidents. Also offered is a drop-in rate of $10 per class if you don't want to sign up for the entire eight-week session.

Registration forms can be found at Shirley Town Hall and Hazen Library or visit www.shirley-ma.gov.