New to Fall 2015 VIVOBAREFOOT have incorporated the use of OutlastĀ® to the Stealth lining. The temperature regulating textiles offer more comfort through proactive heat management. Outlast will ensure you perform to the best of your ability. Paired with our V-Mesh innovative ‘sandwich’ construction of thin mesh and foam, it makes for a smooth and soft upper feeling- Keeping you more comfortable by absorbing excess body heat when you create too much and releasing it when you need it most.