Generous, more relaxed fit Lightweight woven fabric delivers superior comfort & durability Material wicks sweat & dries really fast Super-breathable mesh panels dump excess heat Built-in brief for enhanced coverage Under Armour's legacy of innovation doesn't mean having to re-invent the wheel with every new item of sportswear. Sometimes it's just about refining the basics to make them that much better. Take the update to these Fly-By shorts for example. Optimised with a strategic mesh, key pocket, and reflective hits, they're everything you need and nothing more. Lightweight, breathable, and with enough storage space for your training essentials, they're made so that all you'll be thinking about is going faster for longer.