Shift Happens YETI Rambler Mug $39.00 Color Charcoal Gray Charcoal Gray Out of stock Please fill in the form below if you'd like to be notified when it becomes available. Your Email Send This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. Made from durable stainless steel with double-wall vacuum insulation, this 24 oz Charcoal colored mug keeps your drinks hot or cold no matter what the road has in store.