Under Armour Youth Team Ultimate Short Sleeve Cage Jacket Perfect Your Swing in the Under Armour Youth Team Ultimate Short Sleeve Cage Jacket Under Armour is revolutionary athletic gear that helps you to perform whether it''s game day, practice or training with technology that is engineered to help you play your best. Under Armour Youth Team Ultimate Short Sleeve Cage Jacket features: Lightweight stretch woven fabrication 4-way stretch fabrication allows greater mobility in any direction Signature Anti-odor technology prevents the growth of odor-causing microbes Perforated graphite underarm panels allow for maximum breathability and ventilation Bungee cord and bottom hem with side seam zipper vent for an adjustable fit See the 93% Polyester 7% Elastane Under Armour Gear...A Solid Hit! Size: Small. Color: Graphite/White. Gender: Male. Age Group: Kids. Pattern: Solid. Material: Polyester|bull|Elastane.