
(M, Light Black) Castelli Alpha Ros 2 Jacket
Alpha ROS 2 Jacket s warmest and most advanced jacket, the Alpha ROS 2 brings together warmth, breathability and weather protection in a single piece for ease of use and comfort when the temperatures are strictly single digit. Its close-fitting, racy cut is far nicer to ride in than a flappy windproof or waterproof jacket, and its one-stop weatherproof solution reduces the amount of mid-ride faffing as conditions change. The jacket uses a double layer construction to cleverly separate the insulation and protective fabrics for increased breathability and versatility. The outer fabric is Gore-Tex Infinium Windstopper 150, which uses a breathable membrane to provide the weather resistance, and with the most exposed seams taped, it provides an effective barrier against all but the heaviest, most prolonged rain. Sewn into this, but separate at the front, is a grid fleece layer which provides extra insulation to the core whilst remaining hugely breathable. As the outer jacket and inner layer