ASICS Women's Gel-Artic 4 Wr Running Shoe 100% Synthetic and Mesh Rubber sole Replaceable Metal Spike Pins Water Resistant Upper Provides a highly water-resistant upper without loss of breathability. Rearfoot and Forefoot GEL Cushioning Systems Attenuates shock during impact and toe-off phases, and allows movement in multiple planes as the foot transitions through the gait cycle.