This training top requires no specific setup beyond putting it on! It is designed to be worn directly against the skin as a baselayer.### CompatibilityThe `XS` size is tailored for adult males. Its slim fit and performance features make it compatible with virtually any athletic activity where comfort, dryness, and freedom of movement are desired. It pairs well with shorts, track pants, or under outer layers for added warmth in colder conditions.### Care InstructionsTo ensure the longevity and performance of your Under Armour Long Sleeve Training Top, follow these care guidelines:1. Machine wash cold with like colors.2. Use only non-chlorine bleach when needed.3. Tumble dry low.4. Do not iron. Heat can damage the fabric's performance properties.5. Do not use softeners. Fabric softeners can clog the fibers, reducing the shirt's wicking ability.6. Do not dry clean.