OS1st Wicked Comfort Performance Crew Socks Most Popular can be combined together (or

can be combined together (or separated) to add varying levels of height and/or cushioning as desired

Take a look at the insole:

Featuring an extra-firm high arch support

The Birkenstock Birko Sport Insoles are a two-piece insole designed to provide firm arch support

OS1st Wicked Comfort Performance Crew Socks Most Popular can be combined together (orProduct Details Overview: The OS1st Wicked Comfort Performance Crew Socks feature OS1st's Dry1st moisture wicking technology that is 2x more durable and wicks moisture 5x faster than other leading brands. They feature 200 needle breathable comformance yarns that provide a cloud like cushioning with 360 blister protection and a light arch compression that will provide your feet with the perfect comfort for all day wear. Product Features: Dry1st