Taped back neck. Twin needle stitching. "Garment sizes are approximate and for guidance only. *Heather grey 90% cotton/10% viscose. **Sublimation white 100% polyester. ?White, navy, royal blue, pale blue, red, pale pink,and pale yellow available in age 5-6. ?Sublimation white not available in age 3-4 and 5-6."