The Tern Ultralight Merino Wool Tee is engineered for optimal moisture-wicking, comfort, sun protection, and quick-drying performance while managing odor & bacteria buildup. Moisture Management: Experience excellent moisture-wicking capabilities, allowing the merino wool blend to effectively draw moisture away from your body while retaining its shape exceptionally well. Ideal for both hot weather and as a base layer in cold temperatures. Comfortable Fit: The athletic fit of the Tern ensures comfort without being tight or restrictive. This design enhances the merino wool&';s moisture-wicking properties. With no hardware, simplicity reigns, contributing to decreased weight for high activity. Odor and Bacteria Resistance: Benefit from the natural odor-resistant properties of merino wool, making the Tern perfect for travel, running, hiking, and everyday use. The ultralight weight adds to its versatility. Better Shape Retention: the new Poly blend Tern fabric holds its shape exceptionally well for merino wool, even when wet. It will stretch sufficiently without "bagging out" & becoming shapeless. Faster Dry Times: the Tern dries faster than typical merino wool blends. This gives you better performance in high-output activities & will help you regulate your temperature better. The natural odor resistant & ultralight properties of merino wool make the shirt perfect for travel, running, hiking, and everyday use. The fit should be athletic, but not tight or restrictive- this allows the merino wool blend to more effectively wick moisture from your body. There is no hardware, adding to the simplicity and decreasing weight. The Tern is a high performance piece for high activity. Whether shielding yourself from the sun on warm days or using it as a base layer for colder temperatures, the Tern Ultralight Merino Wool Tee offers unmatched performance. Elevate your outdoor experiences with a shirt that adapts to your lifestyle. Specs: Weight: 4.1 oz (size Large) NEW Poly Blend Fabric: 115 GSM Merino Wool blend - 63% merino (18 micron), 29% polyester, 8% nylon, knit Original Nylon Blend Fabric: 115 GSM Merino Wool blend - 58% merino (18 micron), 42% nylon, knit Fit: Close The Tern Tee should fit close to skin and fit easily beneath other layers. Gender: Men&';s sizing PFAS free Features: True Flat-Lock Seams Raglan Sleeves Excellent Stretch Moisture Wicking Bacteria/Odor Resistant Quick Drying Athletic Fit for Baselayer or Stand-Alone Layer Holds Shape (even when wet) UPF Rating 36+ Farm to fabric RWS (Responsible Wool Standard) certified wool by NuYarn(TM)