Tracksmith Harrier Long Sleeve Womens Purple Velvet Mens Racing Peristaltic underarm vents help regulate

Peristaltic underarm vents help regulate body temperature by pumping in cool air and pumping out warm air during natural arm movement

Ultra-lightweight and guaranteed chafe-free every time

In Pink Logo

Featherlight and quick-drying

stones and branches

Tracksmith Harrier Long Sleeve Womens Purple Velvet Mens Racing Peristaltic underarm vents help regulateA performance top for cooler conditions, reimagined in a heavier Merino knit with 37. 5 Technology to optimize temperature regulation. From Tracksmith: For more than a decade weve pioneered the use of Merino wool in high performance running apparel, leveraging its natural ability to regulate temperature and resist odor for countless miles. Its a key component in our longstanding Harrier Long Sleeve, an enduring element even as weve refined the style