SmartWool Classic All Season Base Layer Top Merino Wool, Long Sleeve SmartWool Classic All Season Base Layer Top Merino Wool, Long Sleeve Smartwool Classic All Season Merino Long Sleeve Base Layer Top Men's Smartwool Classic All Season Merino Base Layer 1 4 Zip Boxed Merino. The Smartwool Classic All Season Merino Base Layer is a versatile piece of clothing that is perfect for all types of weather conditions. Made from 100% Merino wool, this base layer is designed to provide optimal comfort and warmth. The natural properties of Merino wool allow for excellent temperature regulation, keeping you cool in hot weather and warm in cold conditions. The material is also highly breathable and wicks away moisture, ensuring you stay dry and comfortable throughout the day. The Smartwool Classic All Season Merino Base Layer is also lightweight and easy to pack, making it a great choice for travel. PRODUCT CONDITION This UnNew Smartwool Classic All Season Merino Base Layer Men's is in Good condition. Products in Good condition have been well loved, but still have life left in them. Signs of wear may include pilling, snags, lint, animal hair, dried dirt, minor but noticeable staining, and other cosmetic imperfections. Small tears or holes may be present, but will not affect the functionality of the item. With this item, the following damages were observed: Age, dirty TECH SPECS Brand: Smartwool Material: 87% Merino Wool, 13% Nylon Fit: Regular Interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance Merino covered elastic waistband Flatlock seam construction designed to minimize chafing