The Merrell MQM Ace Mid water proof hiking shoe is inspired by athletes. This hybrid shoe packs all the technology needed into one fast, protective shoe. It features M SelectTM DRY impermeable membrane, engineered mesh and TPU upper and breathable mesh lining. The hook and lace-to-toe lacing provide a secure fit. The Floating HypercageTM offers lightweight support and M SelectTM FRESH antimicrobial agents reduce shoe odor. Inside, the Merrell Air Cushion in the heel absorbs shock and adds stability.