Altra 3-Sum triathlon running shoes feature a vibrant red, yellow, and blue gradient mesh upper designed for maximum breathability. Built with Altra's signature FootShape toe box and Zero Drop platform, these performance trainers promote natural foot positioning and a low-impact landing. The quick-entry speed lacing system with Yankz! toggles and heel/tongue pull loops allow for rapid transitions, while the NRS (Natural Ride System) outsole provides a flexible, responsive feel on the road. A midfoot strap adds extra security for a locked-in fit during intense training or races.
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.
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