18 spring, giving strong support to your waist 2Breathable and lightweight, four seasons available 3Perforated design is highly breathable that can repel moisture to prevent slipping during your workout 4Two reinforcing band, fixed anti-displacement 5Soft-tissue support through compression to relieve muscle pain and fatigue Description: Our back waist supporter is made of breathable and perforated fabrics, it can repel moisture to prevent slipping during your workout. Special design to protect your waist, to soothe sore muscle, low back pain, lumbar muscle strain. It can also help relieve lower back pain by reducing strain. Adjustable design with two reinforcing band so you can adjust it until you feel comfortableand tight. 8 spring, giving strong support to your waist.It is fit for universal people and four seasons available.There is always a right for you. Ideal for wearing during exercise or outdoor activities. Features: 1. 8spring, giving strong support to your waist. 2.Breathable and lightweight, four seasons available. 3. Perforated design is highly breathable that can repel moisture to prevent slipping during your workout. 4.Two reinforcing band, fixed anti-displacement. 5. Soft-tissue support through compression to relieve muscle pain and fatigue. Specifications: Brand: Aolikes Material: Polyester + High Elastic Ribbon + Spring Color: Black Weight: approx. 300g Size: M, L, XL (optional) M: Length 85cm, suitable waistline 60-76cm L:Length 102cm, suitable waistline 80-96cm XL:Length 115cm, suitable waistline 100-116cm Quantity: 1pc Package Included: 1.Please allow 1-3cm error due to manual measurement. Thanks for your understanding. 2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please in kind prevail.