Description: Designed with a non-slip band around the edge of the pants, which increases the fit of the leggings to your legs, they can fit your legs for a long time without easily slipping off, making them easy and pleasant to use. There is no doubt that our product will not stuffy to wear in summer because it is breathable. And it also has high flexibility, which it will not constrain your legs. It is made from lycra and polyester, is durable to use. There are four sizes of the product to choose from. Our product can be used in spring, summer and autumn. It can be worn with cycling underwear, cycling shorts and cycling trousers. Item Name: Long Knee Sleeve Material: Polyester,Lycra Features: Reliable, Thicker, Multi-functional Color: Black Size Details: Size: L, Upper Opening: 38cm/15", Lower Opening: 22cm/8.7", Length: 62cm/24.4"(Approx.) Size: Xl, Upper Opening: 40cm/15.7", Lower Opening: 24cm/9.4", Length: 64cm/25.2”(Approx.) Size: 2Xl, Upper Opening: 42cm/16.5", Lower Opening: 26cm/10.2", Length: 66cm/26"(Approx.) Size: 3Xl, Upper Opening: 44cm/17.3", Lower Opening: 28cm/11", Length: 68cm/26.8"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 Pair of Long Knee Sleeve