Xero Shoes Speed Force II Men's Size:13 • Because of the TrailFoam™

• Because of the TrailFoam™ in the Z-Trail

Temperature:   19

Built for consistent comfort

For the insulation

Xero Shoes Speed Force II Men's Size:13 • Because of the TrailFoam™SPEED FORCE II Speed and Power with Barefoot Feel If youre looking for the closest thing to a true barefoot experience, look no further than the Speed Force II a stylish upgrade to our original Speed Force. Steven Sashen, our CEO, Co Founder, and Masters All American sprinter designed the Speed Force with a former Nike developer. Its the shoe he trains and races in. Since we released the original Speed Force, people have worn this ultra lightweight