EQUMEN Men's Core Precision Undershirt Short Sleeve Crew Neck XL Black Hook and Eye closure IMPROVES POSTURE & SUPPORTS CORE MUSCLES: Gently pulls the shoulders back to enable optimal alignment whilst core stability keeps the spine and body strong and balanced when you move HELPS REDUCE BACK PAIN: Correcting posture and supporting the core, allows the muscles to exert less effort in supporting the weight of the body, thereby relieving pain in the back CONTROLS TEMPERATURE: Targeted mesh, moisture-wicking fabric and anti-microbial properties ensure you stay dry and comfortable all day PROMOTES CIRCULATION: Helps to support healthy blood flow, oxygen and nutrient delivery VISIBLY STREAMLINES: compression fabrics ensure the body looks svelte and firm