UA Men's Hooded Cage Jacket 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.