1. Material: EVA foam, PE shell, elastic band 2. Weight: 400g 3. Applicable season: all year round 4. Applicable people: general 5. Scope of application: outdoor sports such as cycling, skating, skiing, etc. 6. Features: double-layer protective pad, free to disassemble, adopts POM plastic-steel lock buckle, wear-resistant, durable, strong and firm, elastic band and pasting method are combined, easy to adjust, comfortable and not tight, the shell shape fits the human back design, effective protection
