FWDfit Layer 1 fabric is a 3.5 oz bi-ply knit. This lightweight fabric has natural stretch and is soft against the skin. Its inherent breathability provides maximum comfort. This fabric is ideal for mild weather conditions. The shirt is constructed with set in sleeves and dropped shoulder seams to allow protection from gear and comfortable range of motion. The sturdy flat seam construction provides long lasting durability. Our fabrics antimicrobial protection prevents odor and prolongs the life of the fabric. Its unique wicking properties provide for quick moisture evaporation and air drying.