a brand name for a type of material that stretches, used especially for making clothes that fit very tightly

a Lycra swimsuit 莱卡游泳衣

Lycra leggings 莱卡紧身裤

These jeans have added Lycra for comfort and fit. 这些牛仔裤的布料中添加了莱卡，以增加舒适度和贴身感。