Personalized Funny Arborist Souvenir Father Woodworker Arborist T-Shirt. Whether you're in the workshop or out in the field, this Arborist design will bring a smile to your face. Show off your passion for trees and woodworking with this stylish and amusing apparel that is sure to be a conversation starter. Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.