Men's Clothing. Nike UK Men's Clothing. Nike UK Men's Clothing. Nike IL Eiger Nordwand ML Hybrid Vest Men Mammut. This sleeveless garment features a high collar and full zip fastening for easy dressing. With a slim fit designed to accentuate the silhouette of the upper body, it offers both warmth and style. The smooth fabric with soft texture makes it comfortable to wear over other garments as an extra layer or fashion statement. Perfect for adding a touch of elegance to any outfit, this versatile piece is commonly referred to as a waistcoat or gilet.