4SYS AFT
Our ADJUSTABLE FIT TECHNOLOGY allows you to create your perfect fit.
Every pair of RADIAL boots comes with two insole options:
- Standard PU removable molded insoles
- Open cell 4mm PU insole
The combination of these footbeds allows you to find your optimal fit:
Our ADJUSTABLE FIT TECHNOLOGY allows you to create your perfect fit.
Every pair of RADIAL boots comes with two insole options:
- Standard PU removable molded insoles
- Open cell 4mm PU insole
The combination of these footbeds allows you to find your optimal fit:
![](http://cdn.shopify.com/s/files/1/0588/7233/2462/files/4sys_aft_standard_fit.png?v=1653373207)
![](http://cdn.shopify.com/s/files/1/0588/7233/2462/files/4sys_aft_narrow_fit.png?v=1653373233)
![](http://cdn.shopify.com/s/files/1/0588/7233/2462/files/4sys_aft_wide_fit.png?v=1653373260)
THE INSOLES
REMOVABLE MOLDED INSOLE
4mm OPEN CELL PU INSOLE
REMOVABLE MOLDED INSOLE
![](http://www.4sysfootwear.com/cdn/shop/files/4sys_aft_removable_molded_insole.png?v=1653373376)
![](http://www.4sysfootwear.com/cdn/shop/files/4sys_aft_removable_molded_insole_d7fb9333-a613-49ca-bf2e-8201b4d0d85b.png?v=1653456095)
LOW FRICTION TOP MESH FOR EXTRA COMFORT
HIGH REBOUND PU COMPOUND
AIR FLOW PERFORATION FOR EXTRA BREATHABILITY
CUPPED HEEL FOR EXTRA SUPPORT
ANTI-BACTERIAL TREATMENT TO REDUCE FOOT ODOR
4mm OPEN CELL PU INSOLE
![](http://www.4sysfootwear.com/cdn/shop/files/4sys_aft_4mm_opencell_insole.png?v=1653373345)
![](http://www.4sysfootwear.com/cdn/shop/files/4sys_aft_4mm_opencell_insole_2fd9e23c-6f94-4f83-a851-94c2f26f8515.png?v=1653456095)
LOW FRICTION TOP MESH FOR EXTRA COMFORT
OPEN CELL LIGHTWEIGHT PU COMPOUND
AIR FLOW PERFORATION FOR EXTRA BREATHABILITY
ANTI-BACTERIAL TREATMENT TO REDUCE FOOT ODOR