This is the 4550th most frequent Polish word.
lekkich
"Light" (plural or genitive form in Polish).
Here, "lekkich" describes the quality of the shoes, specifically that they are lightweight.
Mam lekkich butów do biegania.
I have light shoes for running.
In this instance, "lekkich" refers to decisions, describing them as being not difficult or easy to make.
To są jedne z lekkich decyzji, które musiałem podjąć.
These are among the light decisions I had to make.
Here, "lekkich" pertains to emotions, indicating that they are positive and uplifting.