TAG Youth ALT II Padded Compression Shirt Choose Youth Size XS-XL Antimicrobial Moisture Wicked Compression Fabric. Ventilated EVA Padding in Shoulder, Rib, and Back area. High-End Graphics. 210 GSM. 85% Nylon / 15% Spandex Body. 90% Nylon / 10% Spandex Large Hole Mesh in Padded Areas. 96% Polyester / 4% Spandex Small Hold Mesh in Strategic Side Vents and Upper Back Area.