Clinifast Vest for Kids – Blue – 2-5 Years AND Clinifast Leggings for Kids – Ages 2–5 – Blue. 1 x Clinifast Vest Long Sleeve. Clinifast Leggings for Kids – Ages 2–5 – Blue. Keep your little one comfortable with Clinifast Leggings, specially designed for children aged 2–5 years.