Improve your outdoor performance with the Ignition Compression Long Sleeve, keeping you warm and supported from start to finish,. STAY WARM The soft brushed PWX THERMAL fabric construction creates small air pockets that traps body heat in and PWX VENT fabric under arms allow for thermoregulation. LIGHTWEIGHT & FLEXIBLE SUPPORT Lightweight yet powerful PWX THERMAL fabric reduces muscle movement and damage whilst compression boosts blood flow to muscles, improving performance, lowering risk of injury and speeding up recovery. QUICK-DRYING PWX VENT panels under the arms allow thermoregulation whilst high quality, durable, moisture-wicking yarns outlast the competition and keep the skin dry.