Armour Fleece is light, breathable & stretches for superior mobility Soft inner layer traps heat to keep you warm & comfortable Generous 1/2 zip makes for easy layering Elastic binding on cuffs Dropped, shaped hem for enhanced coverage Perfect for those who want a no-fuss approach to their workout, American label Under Armour has you covered. Take this zip-up top, it's fitted to a streamline silhouette so you're as aerodynamic as possible on those energising morning runs. Rendered in Armour Fleece (the brand's original performance replacement for old-school fleece), it's light, incredibly warm, and has just the right amount of stretch. With a high stand collar to keep wind off the neck, the halfway zip means it doubles up as the perfect layer over vests and tees.