1, black sweatpants can be paired with white tops, with one black and one white in sharp contrast. Black and white matching has always been a very common way to match. Black sweatpants can also be paired with black tops. A black suit will make you look cool and eye-catching.
2. Girls can choose a pair of black sweatpants with a gray casual top. For example, long bottoming shirts and T-shirts can be used. As long as the style is relatively unified, its collocation will not appear too big problems.
3, black pants and tops can also choose to wear a white bottoming shirt inside and a black coat outside.
4. There is also a kind of sweatpants that are biased towards the type of yoga clothes, so the top that matches it is often a vest, which makes the whole look neat. This kind of sweatpants usually appears in the form of a suit, not only with pants but also with a small vest. If it is acceptable, you can wear it directly. If you are conservative, you can also wear a T-shirt or coat, so it won't be strange. Men can also wear men's vests and sweatpants.
The collocation of black sweatpants is not limited to these four kinds, but also other collocation. For example, a cotton-padded jacket that you have to wear in winter can be matched with sweatpants, especially those with a little stripe. You can match a cotton-padded jacket with a corresponding color according to its stripe color, or you can match a long coat. But wearing a slightly smaller version of sweatpants is very casual and natural. Don't think it's strange to dress like this, it's also a fashion.