Fresh Foam X Hierro v9 (Available in Wide Widths) - Men's Moderate Cushion This superlight air chamber pad

This superlight air chamber pad sleeps warmer using two layers of heat reflective film

This women's specific fit is designed for precise cushioning where you need it most

No need for frequent reapplication

Castelli calls it the Pioggia Shoecover

Fresh Foam X Hierro v9 (Available in Wide Widths) - Men's Moderate Cushion This superlight air chamber padThe Fresh Foam X Hierro v9 offers ultimate reliability for adventurous terrain, with technical features designed specifically for the trail runner. Dual density cushioning combines plush comfort with a more stable underfoot feel. A Vibram outsole features a revamped tread pattern and deeper, 6mm lugs, for superior traction, and a knit upper with a gusseted tongue is breathable, while helping to protect against loose debris.