Ultra sustainable brand United By Blue has unleashed their bi-annual end-of-season sale unto the world, and it’s just as good for the environment as it is for your wallet. Through February 3, take up to 40% off United By Blue’s entire site — including their super warm bison-insulated outerwear, just in time for a major cold snap — and score free shipping, too. But that’s not all you’ll get; for every product sold during this sale, United By Blue will remove a pound of trash from oceans and waterways around the world. It’s a deal that will do you and the Earth some good.