rash guard
noun [ C ] uk/ˈræʃ ˌɡɑːrd/ us/ˈræʃ ˌɡɑːrd/ (UK also rash vest)
（冲浪等运动中所穿的）紧身防磨上衣
a piece of clothing that fits the top half of the body tightly, made of special material and worn on its own or under a wetsuit for activities such as surfing, to prevent the skin from being rubbed and to protect against the sun
Rash guards protect the skin from being rubbed raw by the sand and salt. 紧身防磨衣可以保护皮肤不被沙子和盐分磨破。
Wear the rash vest under a wetsuit to give added comfort and protection against irritation. 将紧身防磨衣穿在潜水衣里面，可以增加舒适度，保护皮肤不受刺激。
- More examples
- She rides toward shore, sunlight bouncing off her neon rash guard.
- Real Hawaiians didn't like add-ons: they rejected board grips, gloves, rash guards, stretch shirts, anything that would come between them and the wave.
- They wear turtleneck, long-sleeved rash guards into the water and so much sunblock their faces look green.
- You will wear a life jacket and possibly a rash vest (such as those worn in surfing) underneath it.
- The high visibility rash guard will give you added comfort under a wetsuit or on its own for added sun protection.
- The original purpose of a rash vest was to stop surfboard rashes on surfers whilst on their boards.