The main focus of martial arts is combat between you and your opponent. The practice of martial arts freeform combat is known as "sparring." The kind of sparring you do will depend on the kind of martial arts instruction you want to master and typically precedes the word "sparring."
Sparring gloves are intended for sparring in point form or with very minimal contact. If you're training in karate or Taekwondo, it is this type of glove you will typically use. If you want to buy sparring gloves, then you can search the web.
If you intend to concentrate on boxing or full-contact combat sports, you'll have to think about other gloves (unless your goal is to replicate as close to the real world as you can in which case a lighter glove could be used for this goal). The most sought-after colors are black or red however silver and blue are also offered.
If you're a part of a school for martial arts and would like to utilize your gear for sparring during classes, make sure you talk to your instructor to determine if they have any special gloves required. A lot of schools require a certain type of glove or color typically made by a particular manufacturer.
It is important to note that users of sparring equipment are at risk of personal injuries. Sparring equipment offers some degree of protection. While this article is focused on gloves for sparring, we recommend that you wear a mouth guard or cup, as well as headgear is always recommended.