adidas UltraBoost 21 GTX Focus Olive for Sale | Authenticity 。Adidas Ultraboost 21 GTX running shoes engineered with GORE-TEX 360 protection for waterproof performance in wet conditions. These technical sneakers feature a rugged olive green and black colorway with high-visibility neon yellow accents. The design includes a speed lacing system with a toggle closure, side zippers for easy entry, and a responsive black Boost midsole for maximum energy return. A Continental WinterGrip rubber outsole provides superior traction on slippery surfaces, making these ideal for winter trail running or urban commuting. Note: There is some minor delamination/wear visible on the synthetic overlay of the toe box as shown in photos. Brand: Adidas Model: Ultraboost 21 GTX Style Code: FY3956 Color: Focus Olive / Core Black / Pulse Lime Closure: Speed Lacing / Zipper Upper Material: Synthetic / Textile Lining: GORE-TEX Waterproof Membrane Midsole: Boost Foam Outsole: Continental Rubber Features: Waterproof, Reflective Details, Winterized Activity: Running, Hiking, Cross-Training Season: Winter, Autumn, Spring See pic for some spots on the top Otherwise great pre owned condition Keywords: Gorpcore, Techwear, Weatherproof, Trailrunner, All-Terrain, Winterized, Rain, Athletic, Performance, Ultraboost21, GTX, Outdoor