Black Sheep Men's Fly Singlet newbalance key or running gels

key or running gels

reducing fatigue over long runs or hikes

Simplicity

Caffeine has been shown to increase alertness and reduce perceived effort

Individual anatomic toe sleeves form a thin anti-blister membrane between toes to eliminate skin-against-skin friction Nuwool blend of merino wool

Black Sheep Men's Fly Singlet newbalance key or running gelsThe lightest singlet you'll ever wear, weighing less than 80 grams. Made with FlyMesh, an ultra lightweight Italian fabric milled in a unique pattern to minimize surface area and maximize airflow. Seamless finishing provides reduced chafing and enhanced durability. Designed to be raced in.