Featuring the lightest and softest version of the Polartec(R) Fleece series fabric, the EMS(R) Classic 1/4 Zip Micro Fleece is great on its own or used as the perfect layering tool. 100% polyester. Excellent warmth-to-weight ratio. Lightweight and breathable. 1/4 zip. Durable, non-pilling construction. Wear-anywhere versatility. Quick-dry fabric.