The ultimate training Quarter-Zip tested by some of the best to ever compete. Made from plastic bottles. Designed for low to high impact activities and with the perfect consistent fit. Great for lifting, light running, walking, cross training, yoga, soccer practice, tennis, and cycling. Blending the ultra-soft double brush hand feel + durability, this fabric is certified by the Global Recycled Standard (GRS). Features include moisture wicking, quick dry, breathable, UPF 40 sun protection, stretch for a maximum range of motion and recovery, zipper at the front allows you to open the neck for better airflow and additional ventilation, heat seal logo.