May the Forest Be With You- Treehugger Hiking Sci-Fi T-shirt Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester Imported Machine wash cold with like colors, dry low heat For Treehuggers, hikers, nature lovers, and forest friends. If you love going for hikes in the forest AND you love science fiction, sci-fi, this shirt is for you! Lightweight, Classic fit, Double-needle sleeve and bottom hem