The 3D cushioning gel insoles are pre-contoured insoles composed of a stabilising shell that guarantees protection and 2 gel pads for forefoot and heel comfort. Ideal for running, walking and everyday footwear.. Features:. • Top layer: Cushioning & antibacterial. • Micro-perforations: Breathable. • Gel: Cushioning and comfort. • 3D Shell : Foot support. • Dynamic Gel: Active cushioning. Available in sizes: XS (UK 2-3.5), S (UK 4-5.5), M (UK 6-7.5), L (UK 8-9.5), XL (UK 10-12) and XXL (UK 12.5-13.5).