The Peak Aia T-shirt is made from full-stretch polyester blended with elastane and offers exceptional comfort and freedom of movement. The unique rhombic pattern on the backside enhances moisture-wicking and breathability, making it an excellent choice for your base layer during high-intensity activities. The T-shirt features flat comfort seams to prevent skin irritation and the seams are strategically placed to contour your body, ensuring a snug yet flexible fit.