Justin Timberlake and Jessica Biel 's kids are still grinding into summer.

In fact, the couple's sons Silas , 10, and Phineas , 4, brought their skateboards and scooters to a recent family vacation by the lake, with Jessica giving a glimpse into their sunny day out.

In an adorable brotherly moment shared to Instagram Aug. 14 , the boys took a ride together during a, Silas—clad in a gray long-sleeve shirt, black shorts and pale yellow helmet—shared a hug with his younger sibling, who donned a baby blue top, orange puffer vest and jean shorts.

Sharing other pictures from lakeside getaway, Jessica wrote in the caption, "Family summer vibes."

And Justin's summer break is well-earned. After all, the "SexyBack" singer wrapped up his Forget Tomorrow World Tour in late July.

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