Classic Stretta Size:M4/W5 the all-new MachBOA 120 is

the all-new MachBOA 120 is designed for just that

and you have Smith's most advanced helmet design

this strap is designed to ensure maximum power transmission

For those seeking a Dialed In

precision fit and a targeted wrap around the foot that can easily be adjusted throughout the day

Classic Stretta Size:M4/W5 the all-new MachBOA 120 isThe Classic Stretta Insole is designed to deliver all day comfort, stability, and performance in a slimmer profile. Built on the Medio arch profile with a narrower heel, midfoot, and forefoot, the Stretta is ideal for feet and footwear that require a more precise fit. Originally developed for women's shoes, we discovered this streamlined shape also performs exceptionally well in lower volume footwear such as soccer cleats, cycling shoes, hockey