Personalized Let's DoThis Boys T-Shirt. Parents will appreciate the quality and style, while kids will love the fun and energetic vibe. Get ready to embrace adventure with the "Let's Do This Boys" apparel! 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.