AYA JEAN x HERCLE is a high quality cashmere brand tailored to business executives who like to remain in peak physical condition in an ongoing quest for self-improvement.


    Executives on the front line leading the way in business pursue the best behind the scenes, often taking on a rigorous training regime that hones physical and mental toughness and results in a beautiful figure. The AYA JEAN x HERCLE project began out of a desire to produce a comfortable line of apparel that these executives would want to keep coming back to. With this in mind, we pursued a unique silhouette that best matched the lifestyle and figure of these executives.


    AYA JEAN x HERCLE(ハークル)は、身体を鍛え自己研鑚を怠らないビジネスエグゼクティブの声から生まれた高品質カシミヤブランドです。



  • A unique silhouette


    *HERCLE (right)

    HERCLE cashmere knitwear provides an outstanding fit that does not restrict movement or otherwise constrain or apply stress to the wearer. Extensive testing was performed to achieve the perfect length for the shoulders, arms and sleeves to show a physically fit body frame at its best. Enjoy a comfortable feel while accentuating your chest line. Also gives the area around the abdomen a neat appearance as it tends to loosen with age.


    *Ready-made product (left)

    It often to be overly long and baggy around the arms and waist when fit to the shoulders. Wearing a jacket on top feels bulky.


    *AYA x HERCLE(右側)

    AYA JEAN x HERCLEのカシミヤニットはフィット感があるにも関わらず、身体にストレスをかけず窮屈感や動きを制限しません。鍛えている身体に美しく沿うよう肩、腕、袖を着丈においても程よい長さを研究しました。胸板を美しく魅せながら、快適な着心地を楽しめます。さらに、年齢が増すとともに緩みがちなお腹周りもスッキリと見せられます。




  • Our cashmere


    Xinjiang Uighurregion : This is a land of extreme temperature differences, with winters dropping to -30°C, and summers rising to almost 30°C.


    The goats raised in these natural surrounds are given the very best in livestock feed and are treated as part of the family. The goats hold high quantities of fat, which combined with the extremely fine and soft hair on the goats helps envelop their bodies in a warm air to help the goats persevere the extreme cold of winter.


    This goat hair is the raw material used in HERCLE cashmere knitwear. It is an extremely rare form of goat hair – with only 40 to 50 grams extracted from every goat – that is also used by the major fashion brands. This goat hair is acquired independently and prepared with meticulous care.








  • Our commitment to using the very best materials


    Cashmere thread found in fast fashion cashmere knitwear uses an extremely thick yarn formed from hair bristle and split ends from the goat. In contrast, the HERCLE cashmere thread is extremely delicate and soft to the touch, derived from the inner layer of goat hair which contains large quantities of fat.


    This goat hair measures just 14.1μ, or 0.0141 mm in diameter, one-third the thickness of human hair (40~50μ, or 0.04 ~ 0.05 mm in diameter).

    This fine cashmere thread provides a unique light-weight, exquisitely refined touch. Achieving the highest standard of quality in terms of comfort, lightness and moisture retention, HERCLE cashmere knitwear can be worn even on bare skin without a hint of prickling.









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