Liev Schreiber Bares Hot Shirtless Bod for Family Bike Ride!

Liev Schreiber shows off his muscular shirtless physique while on a bike ride with his family on Saturday afternoon (February 1) in Santa Monica, Calif.

The 46-year-old Ray Donovan actor was joined by his partner Naomi Watts and their sons Sasha, 6, and Samuel, 5, for the family outing.

PHOTOS: Check out the latest pics of Liev Schreiber

The day before, Liev and Naomi were seen stopping by the Brentwood Country Mart together to grab some lunch in the afternoon.

30+ pictures inside of Liev Schreiber and Naomi Watts on a family bike ride…