Durable Construction: Knitted from 100% polyester, the set is designed for durability, making it a long-lasting addition to your wardrobe. Ergonomic Design: Slightly elastic fabric ensures a snug fit, enhancing mobility and comfort during wear. Weighted Options: Available in multiple sizes (M-XXXL), each with a specific garment weight, catering to different body types and preferences. Versatile Style: The American heavyweight fleece-lined workwear sportswear sweatshirt set is perfect for various occasions. High-Quality Fabric: Crafted from Japanese sweatshirt fabric, this set offers a soft, brushed finish for ultimate comfort.