Amazon.com: KEEN Utility Vista Energy Mid Black/Raven 7 D (M 。KEEN Utility Vista Energy Mid Work Boots Black Unisex Combat Style Description: The Keen Vista Energy Mid combat boots are designed for unisex adults and feature a mid-height design. Made from durable and breathable nylon, these black boots are lightweight and slip-resistant, making them ideal for workwear occasions. They have a closed toe shape and are suitable for various work environments. The boots are pre-owned and in good condition. Keywords: Keen, combat boots, unisex, workwear, black, nylon, durable, breathable, slip-resistant, lightweight, closed toe, pre-owned, good condition, Vista Energy Mid. Brand: Keen Us shoe size: Varies Style: Combat Department: Unisex Adults Color: Black Upper material: Nylon Features: Mid-height design, Durable, Breathable, Slip-resistant, Lightweight Type: Boot Toe shape: Closed Toe Occasion: Workwear Model: Vista Energy Mid