GORE-TEX® waterproof fabric upper for protection in wet, rainy weather Signature New Balance branding details Lace closure secures the fit Fresh Foam cushioning provides a soft, ultra-comfortable feel Vibram® outsole for superior traction and grip underfoot With a waterproof GORE-TEX® fabric upper, the New Balance Fresh Foam X Hierro v6 GTX has an overtly functional design that can handle wet, wintery weather. trail-ready design and overt functionality. Down below, a Vibram® outsole provides superior traction over uneven surfaces, while smooth Fresh Foam cushioning makes each step feel soft and comfortable. Product Code: MTHIERX6