Merrell Women's All Out Fuse-W 100% Mesh/Synthetic/Leather Imported Rubber sole Mesh Upper - With TPU, delivers an abrasion resistant upper, possessing excellent breathability. Protective Toecap - Providing further protection to a delicate area. Merrell Omni-Fit Lacing System - Delivers a precise, glove-like fit. M Select FRESH - Provides odour control. UniFly Midsole - Disperses impact and stabilizes for a solid take-off.