Super light and engineered for optimal moisture management, the Arc'teryx Boys's Eon SLW T-Shirt is ideal for active use and extended backcountry trips. This highly resilient base-layer tee features naturally soft and odor resistant Merino wool that speeds dry-time and reduces layering bulk. Breathable and lightweight, the Arc'teryx Eon SLW T-Shirt for men is Built for performance.