Impact blueprint technology maps cushioning density to bone stress patterns.

HandsFree Labs technology: External Flex Arc
Allows for a quick and effortless step-in experience
Step in. Stay dry. The London AT Mid is for the non-stop explorer. It features unrivaled HandsFree Labs technology, waterproof materials, and unmatched comfort.

High-abrasion rubber lugged outsole
Provides increased traction for uneven terrain

Ballistic nylon upper with waterproof membrane and welded overlays
Delivers durability, flexible support, and keeps your feet dry and comfortable by blocking out moisture

Dual-density foam midsole
For optimized cushioning and responsiveness

Super-soft, responsive foam midsole
For cushioning with high rebound

Comfort Collar
Padded for soft entry and snug fit

Arch Form insole
High rebound EVA that slowly molds to your foot and provides all-day support

Rocker sole with ergonomic design
For smooth heel-to-toe roll through

Comfort Collar
Padded for soft entry and snug fit.

Arch Form Insole
High-rebound EVA that gently molds to your foot for all-day arch support.

Shoes Maintain Smooth Fit Over Time