Castelli Alpha Doppio Ros Jacket

The Alpha Doppio RoS Jacket updates the Alpha RoS 2, already described as “at the cutting edge of what winter cycling jackets can achieve” by Cyclingnews.com. It boasts softer, warmer insulation and improved openings, for better weather protection than ever.

Key specs

• Size: XS
• Colour: Twilight Blue/Silver Reflex Silver
• waterproof: GORE-TEX
• Feature: windproof

Features

• Shine tag by being well constructed for dry weather, protective in the wet.
• Windstopper® 150 outer layer for wind protection, water repellence and breathability
• Double layer construction, with distinct
• Direct inner to regulate temperature
• Seams are concealed from direct water flow, while shoulder seams are tapedYKK®
• Vislon® zipper offers smooth action and ease of ventilation with water resistance

Why this deal

The foundation of the Alpha RoS is its ability to keep out the great majority of rain and all wind, while also offering comfort and breathability, thanks to its double-layer construction. Thus, you can open the outer weatherproof layer when you are powering uphill, to allow heat and moisture to escape, while retaining the warmth of the inner layer. Then, once you head downhill, or if the rain starts, you can shut that outer layer to keep off the wind and stay dry. The Alpha Doppio RoS improves on this premise by using luxuriously snug Polatec® Alpha Direct for the inner layer, as well as tweak