SIREN EDGE 3 WP by MERRELL have an upper made from 3D printed TPU and waterproof mesh for vegan-friendly lightweight protection and a traditional lace closure for a secure fit. The interior has an M Select™ DRY BARRIER impermeable membrane, which provides you with waterproof protection while letting perspiration escape. These shoes have a Kinetic Fit TRI removable contoured insole for lightweight support to all three arches of your feet.

Material: mesh upper