Endura Baa Baa Merino Skullcap II eBay There is a peri-canal that

There is a peri-canal that runs from tip to tail

in some cases the seat post tube or even seat post would be fine as well

25g weight

it's ideal for Trail

Flexible frame construction integrated with a 3-layer face foam for a precision fit

Endura Baa Baa Merino Skullcap II eBay There is a peri-canal thatThe absolute best of both worlds, the BaaBaa Merino Skullcap II combines the great insulative and odour controlling properties of merino and the excellent moisture management properties of synthetic fibres, keeping your head warm and comfortable throughout your ride. Features: Merino blend for soft, itch free comfort Helmet compatible fit Naturally odour resistant High warmth to weight ratio even when wet One Size Fits Most