The Helium Vest is all the fun in a long cardigan but with the freedom only a vest can offer. Made of a lightweight thermal yarn that offers a quick drying soft hand, this garment has a traditional, classic look. You'll love feeling effortless in this outfit as you go everywhere. 52% acrylic, 27% nylon, 14% cotton, 7% wool. Cap sleeves, full length hidden snap front opening, drop-in pockets, regular fit, tunic length. This lightweight thermal yarn with a soft hand compresses down for low-bulk packing. The natural cotton works in tandem with the synthetic fibers to wick moisture and dry quickly. Wool-wrapped nylon and acrylic yarns give this a traditional look with great technology behind it. Material: Acrylic, Nylon, Cotton.