If you’ve got a particularly eco-conscious person on your list this year (or if you’re making an effort to look out for the Earth yourself), anything from ultra sustainable brand United By Blue makes some highly gift-able items. And it seems United By Blue is looking out for both the environment and your wallet through Monday with their current sale. Right now, the outdoor retailer’s stocking stuffers are buy one, get one 50% off with promo code TWICEASNICE. Responsibly-made hats, mugs, socks, pouches, and candles for all!