Under armour storm 1 full zip swacket junior the under armour storm 1 full zip swacket junior is ideal for any youngster to wear when training outdoors and provides warmth and comfort in colder weather the jacket benefits from storm1 fabrics that provides a water repellent finish to make it suitable for wearing in wet weather whilst the coldgear technology integrated into the jacket ensures warmth is trapped inside and will help keep them nice and snug on colder days swacket junio