These School Gym knickers in NAVY BLUE are perfect for size 18-20 women looking for everyday briefs. Made from a comfortable blend of Bio Cotton and  in a high-rise style, these sports briefs feature a tunnel elastic waist for a secure fit. The cuff leg accents add a touch of detail to these opaque knickers from Bristol Clothing, ideal for school-themed lingerie and nightwear collections. Machine washable and designed for the buttocks and body compression areas, these knickers offer both style and practicality for active students.