Description FJ Performance Mid-Layers are versatile pieces that allow the player to adapt to changing weather conditions. The four-way stretch shell allows free range of motion throughout the golf swing. Designed for easy on/off wear as conditions change on the course. Ribbed cuffs and waistband provide added comfort and fit while wearing. This anti-microbial finish inhibits odor build-up when ambient moisture is present. 100% Polyester.