Details on the $38 million, four-year contract extension for Charles Leno are in and the Bears left tackle will be paid nearly $8 million this season.

Leno’s base salary for this season remained unchanged at $1.797 million but he received $7 million to sign — $4.5 million in the form of a signing bonus and another $2.5 million in a roster bonus.

The deal includes escalators in the final four years of the contract worth $250,000 each season if Leno is named to the Pro Bowl or selected as first team All-NFL. Total cash value over the next five seasons is $38.797 million with another $1 million available via the escalators.

Here is a breakdown of the contract:

2017

Base salary $1.797 million (fully guaranteed)

Signing bonus $4.5 million (fully guaranteed)

Roster bonus $2.5 million (fully guaranteed)

2018

Base salary $4.9 million (fully guaranteed)

Workout bonus $100,000

2019

Base salary $7.9 million ($4.303 million guaranteed for injury only, $7.9 million total becomes fully guaranteed third day of league year)

Workout bonus $100,000

Escalator $250,000 if named to Pro Bowl or first team All-NFL

2020

Base salary $7.9 million

Workout bonus $100,000

Escalator $250,000 if named to Pro Bowl or first team All-NFL

2021

Base salary $8.9 million

Workout bonus $100,000

Escalator $250,000 if named to Pro Bowl or first team All-NFL

bmbiggs@chicagotribune.com

Twitter @BradBiggs