It's a pair of socks. It's incorrect to say "a socks" because "a" is for "one". A pair of socks is one set of same-style socks, one right and one left.
It's a pair of socks. It's incorrect to say "a socks" because "a" is for "one". A pair of socks is one set of same-style socks, one right and one left.
I need to buy a pair of socks.
I need to buy a socks.
However, you can use the expression a sock to refer to a single sock (a piece of clothing that you wear on your foot).
The police found a sock under the bed.
To count more than one set of socks, each set comprising one right and one left, use the expressions "two pairs of socks", "three pairs of socks", "four pairs of socks", etc.
We bought ten pairs of socks for our child.
We often use a possessive pronoun (my, your, his, her, etc.) with these pieces of clothing.
Put your socks on.
You can also use other determiners, such as "the", "these", "those", "several", etc.
The socks are in the drawer.
But omit the determiner to talk about socks in a general sense.
Socks should be comfortable.
When talking about one set of socks, we say "socks are", and not "socks is".
Your socks are dirty.
Follow the same convention of using the article "a" and "a pair of" with the words gloves and shoes.