I've always used them; seem to treat my sissy ankles and short Achilles well.
Shibuya Rin (15y/o, Idol)Dry Transfer Training Jacket ¥9,500+tax / MoveSport(DESANTO)
CW-X Ladies' Long Tights ¥17,000+tax / Wacoal
Running Skirt ¥4,300+tax / New Balance
Bottle Pouch ¥1,990 / Tigora(Alpen)
Women's Air Max 2015 ¥19,980 / NIKE