Semperfli Pro Grade CDC Feathers

Semperfli Pro Grade CDC - 30 Large Feather Pack

30 Large Premium Feathers per Pack • 5.5–6 cm

Semperfli Pro Grade CDC is a premium selection of large, carefully graded CDC feathers chosen for consistency, fibre quality and tying performance. Each pack contains 30 large feathers measuring approximately 5.5 cm to 6 cm, giving the fly tyer dependable material for high-quality dry flies, emergers, sedges, wings, posts and specialist CDC patterns.

CDC — Cul de Canard — is one of the most effective natural materials in fly tying. Its fine structure, mobility and exceptional ability to trap air make it ideal for patterns designed to sit naturally in or on the surface film.

With 30 large, consistent feathers per pack, Semperfli Pro Grade CDC gives the tyer more usable fibre per feather and better repeatability from fly to fly.

WHY PRO GRADE CDC?

Not all CDC feathers are equal.

Semperfli Pro Grade CDC is selected for:

• Large feather size

• Approximate length of 5.5–6 cm

• Strong, usable central stem

• Dense, well-formed fibres

• Good fibre length

• Consistency from feather to feather

• Excellent natural mobility

• High surface-area structure

• Reliable performance in dry flies and emergers

• Efficient use with less sorting and waste

The larger feather size makes it particularly useful when substantial amounts of CDC are needed or when long, even fibres are required.

WHAT IS CDC?

CDC stands for Cul de Canard, traditionally referring to the soft feathers found around the preen-gland area of waterfowl.

These feathers have an exceptionally fine, branched structure that traps tiny pockets of air.

That structure is one of the reasons CDC is so valuable to fly tyers. It can provide flotation, translucency, movement and a soft natural profile without requiring a heavy or bulky dressing.

BENEFITS OF CDC

NATURAL BUOYANCY

The complex structure of CDC fibres traps air and helps flies sit naturally in or close to the surface film.

This makes CDC particularly effective for dry flies, emergers and cripple patterns.

EXTREME MOBILITY

CDC fibres are exceptionally soft and mobile.

Even very small currents and surface movement can make the fibres pulse and move, giving the fly a lifelike appearance.

LOW BULK

A relatively small amount of CDC can create significant volume and movement without making the fly heavy or bulky.

This is especially useful on small flies and delicate presentations.

NATURAL TRANSLUCENCY

CDC allows light to pass through and around the fibres, creating a soft, natural appearance that can imitate wings, emerging insects and trapped air.

EXCELLENT FOR SURFACE-FILM PATTERNS

CDC can be tied so that a fly rides on the surface, hangs in the film or suspends just beneath it.

This versatility makes it particularly valuable when imitating emerging insects.

EASY TO MANIPULATE

CDC can be:

• Tied as a wing

• Rolled into a body

• Twisted into dubbing loops

• Split into thread

• Folded

• Stacked

• Trimmed

• Used as a post

• Used as a collar

• Used as a soft hackle

• Combined with synthetics or natural dubbing

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