Question about Mac in a Sac Origin

This jacket is a lightweight, windproof and waterproof rain jacket made from 100% PU/Teflon-coated polyester. It features a water-resistant YKK zip, fully heat-bonded seams for enhanced waterproofing, and a concealed adjustable hood. It's designed to be breathable, easy to store and suitable for variable weather conditions. The overall weight is around 290g, and it's available in a medium size with a unisex fit. Ideal for outdoor activities such as hiking, walking or cycling.