UK SIZES Crafted to an even higher standard with superior quality and performance, the best packaway in it's class, just got better. Highly waterproof and highly breathable, the new Origin packable jacket is a necessity for cold, rainy days. Stow away in a rucksack, handbag or the boot of the car. Pull it out when the weather turns and pack it up when the clouds part and the sun shines through. Travel friendly and known worldwide for it's weatherproof capabilities, Mac in a Sac is a leader in waterproof, packable outerwear. Available in 9 fresh new shades, the Origin jackets are an essential for any camping trip, bike ride, morning run or leisurely walk.