Fabric:75% Polyester, 25% SpandexHighly elastic and breathableSoft fleece lining for warmth and comfortMesh panels in the underarms and back for ventilationFeatures:Mock neck/turtleneck design for added warmth and a flattering necklineThumb holes and glove-compatible cuffs for windproof comfortPull-on closure for easy wearBreathable, sweat-wicking, and thick enough to provide coverage while staying comfortableOccasion:Perfect for cold-weather outdoor adventures like running, skiing, hiking, walking, yoga, fitness, golf, or daily wear.