Perfect for layering under a ski jacket on chilly days, the Spyder Toddler Bug Zip T-Neck provides next-to-skin comfort and warmth. This lightweight layer is made from a silky smooth stretch polyester knit fabric for comfort and easy layering and features a front half zipper with a medium-height collar to keep chilly winds out. Stretch Polyester Knit - Silky smooth and comfortable next-to-skin., YKK Front Half Zipper - Durable and simple for little hands to pull., Fit: Loose, Warranty: Lifetime, Wind Protection: No, Material: Synthetic, Weight: Light, Type: Top, Wicking Properties: No, Water Resistant: No, Recommended Use: Snow, Antimicrobial: No, Anti Odor: No, Quick Drying: No, Moisture Wicking: No, Model Year: 2022, Product ID: 909162, Model Number: 216080 436 4T, GTIN: 0192636239579