evo.com | BlackStrap Long Underwear Tops > Built for tweens, the BlackStrap Evolver Crewneck is a baselayer that adapts as fast as kids grow. With 4-way stretch, breathability, and moisture-wicking characteristics, this crewneck lets 'em focus on the activity instead of cold, soggy clothes. 4-Way Stretch 4-Way Stretch Fabric (180 GSM) 88% Polyester / 12% Spandex Machine Washable Moisture-Wicking & Breathable Slim Fit Sits close to the body for easy layering, reduced bulk, and unrestricted movement. | Kid's BlackStrap Evolver Crewneck 2026 - Large Green | Spandex/Polyester