Personalized Hike More Worry Less Youth T-Shirt. Youth T-Shirt - Kelly Green with mountain graphic. Hike More Worry Less. For hikers, backpackers and adventurers. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.