Description: Thickened design makes it warm and suitable for autumn and winter. Belt design makes it fixed to prevent falling off when doing sports. Wormwood and self heating design brings a better protective effect. Breathable and lightweight design makes it comfortable to wear. Made of high quality nylon material it is durable. There are 6 sizes for you to choose from S M L XL 2XL 3XL. It is suitable for basketball fitness football badminton outdoor cycling and other sports. Item Name: Knee Pad Material: Nylon Gender: Unisex Features: Cold Proof Thicken Self-heating Size Details: Size: S Length: 45cm/17.7 Upper Width: 16cm/6.3 Lower Width: 12cm/4.7 Knee Range: 30cm-36cm/11.8 -14.2 (Approx.) Size: M Length: 46cm/18.1 Upper Width: 17cm/6.7 Lower Width: 12.5cm/4.9 Knee Range: 36cm-42cm/14.2 -16.5 (Approx.) Size: L Length: 47.5cm/18.7 Upper Width: 17.5cm/6.9 Lower Width: 13cm/5.1 Knee Range: 42cm-48cm/16.5 -18.9 (Approx.) Size: XL Length: 49cm/19.3 Upper Width: 18cm/7.1 Lower Width: 13.5cm/5.3 Knee Range: 48cm-54cm/18.9 -21.3 (Approx.) Size: 2XL Length: 50cm/19.7 Upper Width: 19cm/7.5 Lower Width: 14.5cm/5.7 Knee Range: 54cm-60cm/21.3 -23.6 (Approx.) Size: 3XL Length: 51.5cm/20.3 Upper Width: 20.5cm/8.1 Lower Width: 15cm/5.9 Knee Range: 60cm-66cm/23.6 -26 (Approx.) Notes: Please refer to our size chart and choose the right size. Due to the light and screen setting difference the item s color may be slightly different from the pictures. Package Includes: 1 x Knee Pad