The ISO Chill Graphic Long-Sleeve Tee from Under Armour will keep any angler comfortable on hot fishing trips. The nylon ISO Chill fabric (91\\% nylon, 9\\% elastane) is naturally cool against the skin. HeatGear technology ensures the cool fabric is ultra-lightweight and protects you in temps over 75°. Every OFFSHORE ARMOUR garment delivers sun protection, moisture-wicking comfort, strategic ventilation, quick-drying anti-microbial fabrics, and stain-resistant technology. Loose fit offers a full range of motion. Imported.