- Size: S - COMPRESSPORT Trail Racing technical t-shirt designed for trail running and mountain races - Ergonomic second-skin fit that provides maximum comfort and freedom of movement - Made of soft, seamless microfiber to prevent irritation and chafing - Mesh panels and V-Mesh design that promote ventilation and sweat control - Spin Control technology that helps maintain posture and reinforces the core area - Sleeves fitted at bicep height, ideal for use with backpacks or poles - Full front zipper with auto-lock system to regulate ventilation - Silicone band at the waist prevents the shirt from riding up during activity - Perfect for athletes seeking performance, comfort, and postural support in the mountains