FXR Youth Atmosphere Base Layer Set FXR Atmosphere Base Layers are engineered for optimal performance in cool to cold conditions, featuring a 90:10 blend of polyester and spandex knit. A brushed interior enhances comfort and supports the fabric's moisture-wicking properties to keep you dry. The design is refined with tapered cuffs to minimize bulk, ensuring a streamlined fit. Features: 200gsm 90 polyester / 10 spandex knit with brushed interior Moisture-wicking and antimicrobial finish Flat-lock seaming for superior comfort Jacquard elastic waist Thumb hole cuffs Tapered ankles reduce bulk under pant and inside boot FXR Warmth Rating Max 2