Baby Two-Piece Knit Sweater & Pants Set – Heather Gray. Keep your little one cozy and stylish with this adorable two-piece baby knit outfit. Featuring a long-sleeve crewneck sweater with ribbed trim and matching knit pants with an elastic waistband, this soft heather gray baby set offers a timeless, comfortable look. Perfect for everyday wear, lounging, family outings, and gifting, this gender-neutral baby outfit is a versatile wardrobe essential for baby boys and girls.