Marmot Men's Lightweight Crew Long Sleeve Top PolartecPower Dry 100% Polyester (29% Cocona) Light Weight 3.5 oz/yd Imported Quick-Drying and Wicking Polartec Power Dry with Cocona Performance Technology Marmot UpCycle Product with Recycled Polyester Cocona for Natural Odor Protection Stretch for Increased range of motion