This is your new super-durable jacket for BP and warmups, built from materials that stretch to give you full movement, while dumping heat to help keep you comfortable. UA Storm technology repels water without sacrificing breathability Durable, stretch-woven fabric is ultra-lightweight & lets you move Dual-layer ColdGear shoulder & sleeve panels with ultra-warm, brushed interior 4-way stretch material moves better in every direction Mesh underarm panels for strategic ventilation Low-profile collar for zero distractions Rip stitch convertible sleeve design so you can cut at the elbow seam for a short sleeve Open hand pockets.