IFJ_issue1_2023_smarttextiles_prevayl3 ALTERNATE SIZE Ken Norberg February 23, 2023 17 Views UK-based sportswear brand Prevayl has launched garments that look like high-end gym wear, but include a small, hidden pocket to store a sensor. Photo courtesy Prevayl UK-based sportswear brand Prevayl has launched garments that look like high-end gym wear, but include a small, hidden pocket to store a sensor. Photo courtesy Prevayl