The phrase "side flaps" refers to movable pieces, usually found at the sides of an object or structure, that can be adjusted or opened to control airflow or protect against something. Full definition
Crafted from lightweight denim, the straight leg jeans feature a military - inspired silhouette with cargo pockets, two side flap pockets and two rear flap pockets. (coggles.com)
This jacket has long sleeves, side flap pockets, a button - front closure, and a detachable hood with fur detailing. (qunel.com)
The MANSORY ADD ON PARTS for your Porsche Panamera 971 TURBO and EXCLUSIVE Front lip with side flaps Front lip Rear diffuser with diffuser board MANSORY Performance wing (mansory.com)