Abrigo translates into coat and is a piece of clothing with long sleeves that you wear over your other clothes when you go outside. So this is also used when it is cold outside. On the other hand, the word abrigo is a masculine singular noun. Recall that a noun is a word or group of words that is the name of a person, a place, a thing, or activity or a quality or idea. Finally:
Necesitas un abrigo porque hace frío.
Gafas de sol translates into Sunglasses and are dark glasses that you wear to protect your eyes when the sun is bright. Other group of word that means the same is lentes de sol. It is obvious that if you want to protect your eyes at the beach, you'd need sunglasses.
Para ir a la playa debes llevar gafas de sol
If people are invited to a fancy party, then men must wear suit and women need to wear dress. So traje translates into suit and is a set of clothes made from the same clothe, usually a jacket with pants or a skirt. On the other hand, vestido translates into dress and is a piece of clothing that covers a woman's body and part of her legs. So:
Como es una fiesta elegante, llevamos traje y vestido
Camiseta is a feminine noun that translates into T-shirt and is a soft shirt that has short sleeves and no collar or buttons. As this is a feminine singular noun, we have used the definite article that also matches the feminine singular form, which is la. Finally, we can write this sentence as follows:
La camiseta del jugador de fútbol está sucia.
Impermeable is a masculine noun that translates into Raincoat and is a long coat made of light material that you wear when it is raining. As this is a masculine singular noun, we have used the definite article that also matches the feminine singular form, which is el. Finally, we can write this sentence as follows:
Traigo el impermeable porque está lloviendo.
