The soft microfleece fabric flexes in all directions for maximum comfort and flexibility especially while skiing. The soft brushed interior material is extra comfortable and very soft against the skin and the on the chin guard which protects the chin from icy winds. The ergonomic cut is designed with a cut that allows the body to move freely and comfortably. A great cross between a base layer and a thermal, providing warmth and comfort whilst wicking away moisture. A base layer generally is the first layer and for moisture-wicking, sweat control and a thermal mainly for heat retention and insulation so this blends the two types! Didriksons Jadis Kids Fleece Base Layer Set - Navy Fleece base layer Smooth exterior and a brushed interior 91% Polyester 9% Elastane 4 way stretch 4 needle flatlock seams for extra comfort when skiing Chin guard Zipper at front Slim fitting Machine washable