1. Stainless steel protective shell, shock-resistant, anti-collision, sturdy and wear-resistant
2. Elastic paste design, easy to adjust
3. Steel perforated design, comfortable and breathable
4. Material: alloy steel, EVA foam, diving cloth
5. Applicable gender: both men and women
6. Applicable scenarios: cycling, roller skating, etc.
7. Size: about 42cm long
8. Weight: about 400g/pair
