Sleeveless leotard from Roch Valley Suitable for ISTD Grades Primary - Grade 6 Made from Cotton/Lycra fabric The ILEO ISTD leotard from Roch Valley is an elegantly simple, classic sleeveless leotard. Part of our extensive examination and regulation collection, the Roch Valley ILEO is suitable for ISTD examinations from Primary through to Grade 6. AVAILABLE in Plum, Sky Blue, Violet, in three delightful colour options in Cotton/Lycra, this leotard is sure to bring ultimate comfort and flexibility.