The Mammut Seon T-Shirt Original Mens is a versatile men's fleece designed for year-round mountain adventures. This medium-strength fleece offers a 4-way stretch with a high nylon content, ensuring both flexibility and durability. Its smooth outer surface makes it perfect for layering under a hardshell, while its breathable and quick-drying properties enhance comfort during intense activities. The fleece also features strategically placed pockets for easy access when wearing a climbing harness, along with thumb loops and a helmet-compatible hood for added functionality. Lightweight and comfortable with stretchable material Durable fabric due to polyamide content Effective moisture management to prevent rapid cooling Excellent warmth-to-weight ratio Helmet-compatible hood with an elasticated border Two zipper pockets compatible with backpacks and climbing harnesses Underarm gusset for optimal freedom of movement Flat seam design to reduce chafing under a backpack Thumb loops that close