Personalized Westie Halloween Party Long Sleeve T-Shirt. KiniArt Westie Halloween Party by Artist, Kim Niles. Westie Art ©️Kim Niles, KiniArt™️ - All Rights Reserved. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL