The Kids' Thriving IV Core Stretch Midlayer is designed for warmth and comfort, made from a recycled polyester/elastane brush-backed stretch fabric. It features a synthetic, chemical-free antibacterial treatment to help control odors. For enhanced visibility, it includes reflective branding and zip pullers. The midlayer has a grown-on hood and a full-length zip with an inner guard for added protection. It also offers UV shielding with UPF 50+, making it ideal for young adventurers.