Lightweight, breathable top and pants set. Just like busy kids, the toddlers' Lightweight Base Layer Set is designed to stretch, breathe, and dry quickly. It's the technical head-to-toe combo that'll keep your little ripper warm and dry whether they're on the mountain, the playground, or just sitting on the couch. F Plenty of Tech DRYRIDE Ultrawick is highly breathable and ultra-fast wicking to keep kids dry and warm. Everyday FeelA regular fit, non-tech look, and a soft hand give them a casual, everyday feel that keeps kids comfy anywhere. Bluesign® ApprovedProduct meets Bluesign® approved safety and environmental standards in manufacturing. S DRYRIDE Ultrawick Lightweight Birds Eye Knit 145gsm 100% Recycled Polyester Regular fit Quick-Drying and Highly Breathable Chafe-Free Softlock Seams for Comfort Dryride Ultrawick™ Birds Eye Mesh Fabrication Stretch 180° For Enhanced Mobility Thumbholes