Super light and engineered for optimal moisture management, the Arc'teryx Girl's Eon SLW Crew Long Sleeve is ideal for active use and extended backcountry trips. This highly resilient base-layer features naturally soft and odor resistant Merino wool that speeds dry-time and reduces layering bulk. Breathable and lightweight, the Arc'teryx Eon SLW Crew Long Sleeve for Girl is Built for performance.