Spencers are a type of clothing that is usually worn by men. There are different synonyms available for the word spencers, including waistcoats, vests, and sleeveless jackets. Waistcoats are sleeveless garments that are often worn under jackets or as a standalone piece of clothing. Vests are similar to waistcoats but are often made from different materials and can have sleeves. Sleeveless jackets are also similar to spencers but can be longer and have more material. Regardless of the type of spencer, they are a versatile piece of clothing that can be worn in a variety of settings, from formal occasions to casual outings.