PU swim cap, it is made of PU+ fabric, outside is PU coated, inside is spandex+ polyester. It is elastic and anti-water,
it is good for non professional swimmer or beginners, especially for children. Because it is not so tight.
It is comfortable to wear.

Silicone coated cap is made of silicone + fabric. Outside is silicone coated, inside is spandex+polyester. It is very elastic and comfortable to wear. Also anti-water.

When we go to swim, we should select a swim cap. How to choose a swim cap? For professional swimmer, it is better to choose silicone cap, the weight from 51g-55g. It is very tight after you wear it. But it can reduce water resistance when you swim. For amateur, it is better to choose PU or silicone

Swimming caps are inevitably found in almost every swimmer's swimming equipment bag. Recreational and competitive swimmers will often use swim caps for training and racing. While this simple piece of equipment is not required to swim, it can help you feel more comfortable in the water and also more

Wearing a swim (or swimming) cap has various advantages, such as helping to keep some of the heavily chlorinated pool water off your hair, helping to keep your hair out of your face while you swim, and helping to lessen resistance as you swim. From the point of view of the pool owner, it also helps