The Air T‑shirt from CAYL x New Balance is built from a highly functional polyester blend that keeps things light, breathable and comfortable through active days. Its high air permeability helps slow the rise in body temperature, wicking moisture efficiently even during fast hikes or trail runs. A HeiQ Pure finish adds odour‑control performance, making it a reliable layer for repeated wear. Designed for spring through early autumn, it’s a versatile staple for outdoor movement. Suitable for Hiking & Trail Running 97% Polyester, 3% Polyurethane Moisture‑Wicking Odour‑Control Finish (HeiQ Pure) Reflective Branding Style Code: CAYL-NB-AIR-LS-TEE-BK | Men's Cayl X New Balance Air Long Sleeve T-Shirt in Black | Size: Small | Polyester/Polyurethane | END Clothing Colour: blue