Stay comfortable and eco-conscious in the tentree Haines Tank. Made from a sustainable blend of organic cotton, modal, and elastane, this tank offers a soft, breathable feel with just the right amount of stretch. Its high-neck design and slim fit make it perfect for layering during the Pacific Northwest's unpredictable weather, whether you're heading out for a hike or meeting friends in the city. And with each purchase, you're supporting tentree's mission to plant trees and restore ecosystems worldwide.