yes, it means smooth or glossy leather upper
She wore a sleek leather jacket over her dress, completing her edgy look.
A snake is sleek. Most sleek is the Black Mamba.
Sleek and red are both adjectives.She prefers a sleek hairstyle.He prefers the red sofa.They prefer the sleek red Ferrari.
the boy has sleek hair
a sleek car is glossy paint job
The distinguishing features of Doc Marten boots are their leather appearance, the sleek design, and the noticeable rim of the shoe. They look premium and are high quality boots.
You can wear jeans and cool stylish t-shirt with a leather jacket. If the party is a formal one then you can wear a knee length skirt or a sleek pants with a formal top.
Me and my hair are sleek today.
Sleek and gracefuf
a sleek car is glossy paint job
Here is an example sentence with the word "sleek":Melissa groomed her horse until its coat was sleek and shiny.