Core Compression Sleeveless The Core Compression Sleeveless provides complete compression support for the upper body for better postural awareness, a stronger performance and reduced risk of injury. Compression sleeveless top PWX highly powerful, lightweight and flexible compression fabric PWX Vent panels deliver greater breathability in key regions Flatlock seams to reduce chafe LIGHTWEIGHT & FLEXIBLE SUPPORTPowerful, lightweight PWX fabric with circular knit 360-degree stretch, reduces muscle movement and damage to the upper body whilst improving postural awareness, increasing performance and reducing risk of injury STAY COOL PWX VENTPanel through centre back improves air flow by almost 200%, increasing evaporation of your sweat to keep you at optimal performance temperature QUICK-DRYINGHigh quality, durable, moisture-wicking yarns outlast the competition and keep the skin cool and dry FABRIC COMPOSITION PWX 70D - 72% NYLON, 28% LYCRA MA6400A