Shop our OS1st compression and support collection. OS1st specializes in performance compression sleeves for feet, ankles, and legs — designed to manage plantar fasciitis, Achilles tendonitis, shin splints, and calf cramping during activity. Their FS6 foot sleeve is one of the top-rated plantar fasciitis products available over-the-counter. Thin enough to wear inside athletic shoes. Free shipping across Canada.
