Xero Shoes Speed Force II Men's Size:13 Full length down draft tube

Full length down draft tube prevents heat loss and cold spots at the zipper

For the insulation

100% post-consumer recycled polyester shell and insulation

Sleeve Length: 34 in / 86

Built for consistent comfort

Xero Shoes Speed Force II Men's Size:13 Full length down draft tubeSPEED 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