This means it comes with a left and right sock (marked on the sock with an "r" or "l")

For best results

Merino running sock suitable for road or trail running

SportShield® is a silicone-based anti-chafe product that is non-staining

65% Polyester

Tailwind Nutrition | Endurance Fuel | 30 Servings Men's Running Shorts This means it comes withMORE TAILWIND PRODUCTS All you need, all day. Really. Tailwind mixes with water to meet all your calorie, hydration, and electrolyte needs, without upsetting your stomach or making your taste buds revolt. Just toss it in a bottle or hydration pack, shake, and GO! Complete calories, electrolytes, and hydration: Ditch the gels, chews, and pills, and go all day with just Tailwind. No gut bombs: Stomach problems? Youll love Tailwind. Unless you enjoy