Stability Control Strap System with Multi-Position X-Fit Control Compression/Retention Support, Two Adjustable Chest Wrap Straps, Anatomically designed for left and right shoulder use, Multi-Position X-Fit Stability Control Compression/Retention Strap Support System, Strap Retention Stabilizer provides proper positioning/alignment for X-Fit strap, Soft Lycra Stretch Mesh Zone offers comfort fit to wide range of chest sizes/shapes, Lycra Binding for comfort and long lasting wear, N-Tex Vented Neoprene, Chest Inches 32–40, Chest CM 81.3–101.6