This one is predestined to get the usual Rapha critics all hot under the collar, so as they’ll be toasty warm enough already they don’t need to read any further. For the rest of you the Rapha Winter Collar is a wool mix tubey-scarf thing (yes, there's brand-name avoidance going on here) to protect the neck from the wind and provide a layer of warmth that a standard jersey or jacket collar can't provide.
If you’re not familiar with the concept of the Buff, then you’re missing out on what is a supremely useful and versatile piece of kit. Named by the manufacturer as ‘Multi-Function Headwear’ the original Buff is essentially a lightweight seamless microfibre tube that can be used as a throat warmer, bandana, beanie, or any other variation you can come up with.
The Wool Buff is a new member of the rapidly expanding stable of Buffs, and is remarkably similar to the original except for a few differences.