Rab Power Stretch Pro Pull-On Top Worn as either a heavyweight baselayer or insulating midlayer, the Power Stretch Pull-On is perfect for cooler conditions. The Rab Power stretch Pro Pull-On top is a high performance layer, with a low friction outer surface to increase abrasion and weather resistance, and the ability to retain warmth whilst remaining dry and comfortable. The soft and stretchy Power Stretch Pro is a much sought after asset in the alpine layering system and means that movement is unhindered as you make your way to the summit. All in all this is one of the more technical fleece options that can withstand the elements as an outer layer or even be worn directly next to the skin if you are really looking to optimise your layering system. A zippered chest pocket can safely store small essential items, whilst the thumb loops help keep the sleeves in place and prevent them from rising. The front half zip assists in taking the top on and off and lastly, the flatloc