The Aymara Warm Bottle from Form and Refine is a luxurious companion for cooler nights, blending traditional South American craft with modern comfort. Encased in a cover knitted from 100% un-dyed alpaca wool, it utilizes the fiber's natural thermoregulating properties to provide a gentle, long-lasting warmth. The set features a sustainable inner bottle made from natural rubber tree sap, offering an eco-conscious and incredibly soft way to relax and recharge.