Patagonia R1 Hoody – Review Many people have heard of or have seen the Patagonia R1 hoody; a technical multi-use fleece. Equally comfortable and functional when worn as a base or mid layer, this piece has earned its Patagonia name. The Patagonia R1 hoody is part of the Patagonia Regulator family, designed to regulate body temperature during aerobic activities, providing both insulation and thermoregulation as needed. DETAILS: The R1 hoody is optimized for colder weather. However I found it functional and comfortable in a range of temperatures; from skinning in the 50 degree sun near Mt Baker, paddling the Tanana […] Gear Review Chaz Diamond | October 23, 2013 4 Comments