The jacket appears to be a Polo Ralph Lauren men's brown leather/shearling jacket, in the trucker/aviator style. The strongest match I found is the Polo Ralph Lauren Shearling Trucker Jacket.
Brand: Polo Ralph Lauren
Style: Shearling Trucker / leather jacket
Colour: Soft brown
Material: 100% leather/shearling according to Polo Ralph Lauren's listing
Collar: Cream/beige shearling
Fastening: Front buttons
Pockets: Two chest flap pockets plus lower pockets
Style: Classic American/military-inspired design.
A retailer also identifies the model as Polo Ralph Lauren Shearling Trucker Jacket, made from 100% shearling/lamb, with brown and beige shearling and button fastening.