Get fit wearing The North Face Dynamix. Designed for the most intense training sessions, this top is made from moisture managing fabric and breathable stretch mesh in a sleek, attractive styling. . Front body and lower back: polyester knit and elastane knit mesh for moisture management, stretch mobility, and breathability. Shoulders and upper back: polyester knit jersey with FlashDry XD. Highly abrasion and snag resistant FlashDry XD accelerates evaporative cooling and drying. Reinforced seams for increased durability. Unique notch at hem. Stitch free at critical points flatlock stitching to reduce friction and chafing against the skin. Dropped hem for enhanced coverage.