Under Armour Tech Vent Jacquard Boys Training T-Shirt Black/White Size:12-13 Years Designed with brand-new FSI Power

Designed with brand-new FSI Power technology to maximize the trampoline effect of its strings

Its featherweight build lets you soar up climbs

This nylon and suede edition features a wider toe area and firmer side panels

Lens: Polycarbonate

UPPER: Water-friendly synthetic matte strap with 10 mm foam padding for step-in comfort

Under Armour Tech Vent Jacquard Boys Training T-Shirt Black/White Size:12-13 Years Designed with brand-new FSI PowerUA Tech is our original go to training gear. We worked with Celanese to create a new stretchy NEOLAST fiber that gives you a more consistent fit and comfort. Highlights: Smooth, performance knit fabric is super light, breathable & comfortable New, innovative NEOLAST fibers provide powerful stretch, durability, comfort & improved wicking NEOLAST is a high performing alternative to elastane designed to begin addressing sustainability challenges