The ANTA GUANJUN 100% Merino wool trail running T-shirt brings natural fibre into high-intensity sports for elite athletes. Field-tested at the Hong Kong 100 Ultra Trail Race, a 100km ultra-trail event with more than 5000m elevation gain, the T-shirt enhances comfort through the wool fibre’s temperature regulation, breathability and odour resistance, with quality signified by the Woolmark logo.
Designed for high-intensity outdoor sports, the ANTA GUANJUN x Woolmark Outdoor Series leverages the wool fibre’s natural technical properties to support elite athletes in across elevation gain, distance and time. 100% Merino wool trail running T-shirts elite athletes competed in the HK100 Ultra Trail Race, one of the most demanding settings for professional-grade sports apparel, giving real-world validation to Merino wool’s natural properties in elite performance.
Over extreme distances and shifting altitudes, ANTA GUANJUN’s latest collection integrates Merino wool’s natural ability to manage body temperature and moisture to create a consistent microclimate against the skin, a key reason why athletes choose wool for endurance performance. Unlike standard sportswear materials, the 100% Merino wool T-shirt series provides an adaptive response to the high-intensity needs of ultra-trail runners, supporting athletes through the wool fibre’s natural performance capabilities.


“I was deeply impressed by the natural properties of Australian Merino wool – its combined features of moisture absorption, temperature regulation and anti-odour capabilities are highly aligned with our positioning of creating professional equipment for elite outdoor scenarios.”
As high-performance apparel evolves, technical reliability and quality take centre stage. With the ANTA GUANJUN collection underpinned by Woolmark certification, each garment carries the Woolmark logo to signify quality assurance. For elite athletes, the iconic Woolmark logo serves as a mark of quality assurance, ensuring that wool technical performance wear rises to meet the demands of modern sports performance.