The NB1225 has a posted rearfoot to control pronation and is recommended for flat and low arch feet, and a supported forefoot for those seeking metatarsal support to comfort ball-of-foot condition.
Sizes by gender
Plastazote® Top Foam/Metatarsal Pad
The 3030 Pressure Relief insole with metatarsal pad is designed to reduce friction within your shoes and keep your feet blister-free, while re-distributing pressure throughout the foot.
Unisex Sizing Up to 4E