Comfort insoles that destroy odour and absorb perspiration to keep feet and shoes drier, fresher and more comfortable, with long-lasting protection, guaranteed for four monthsThese odour neutraliser insoles use a powerful combination of technologies that feature activated charcoal, insta-fresh, and antibacterial agents to fight off odours and promote foot healthMade from comfort-grip foam to prevent the insole from bunching or slidingThin design provides cushioning for everyday shoes without crowdingOne size fits all up to uk Size 12 - For a comfortable fit, follow the printed guidelines on the insoles