Fusalp Nerius Thermal Layer is a slim merino-wool base layer made for skiing and cold-weather layering. Thin yet warm, it slips comfortably under a sweater or ski jacket for added insulation. Key attributes: Blue | Merino wool | Thin yet warm | Technical jersey | Stretch fabric for mobility | Layering-friendly | Lightweight | Suitable for wear under outer layers | Crew neck | Signature Fusalp embroidery at hem | Jersey knit construction | Dimensions & fit: True to size | Close-to-body fit designed for layering | Composition & care: 100% Merino wool | Wash inside out; delicate wool wash with a special wool detergent; do not use optical brighteners or fabric softener; maximum spin 500 rpm; do not store wet garment folded; dry flat.