Mens Rundies Jock Ciele Science suggests an intake of

Science suggests an intake of 3 mg of caffeine per kilogram of body mass

or endurance athlete

adventure racer

4% Spandex

5:1 combination of fructose and glucose/maltodextrin allows uptake of up to 90 grams per hour

Mens Rundies Jock Ciele Science suggests an intake ofThis original style harnesses comfort and careful planning went into its design to minimise chafing. Rundies underwear is made from a smooth, flexible and quick drying fabric blend that is complimented by the naturally soft and anti microbial properties of bamboo in the crotch. Additional Features: Soft, flat stitching lines High stretch waistband Designed by athletes for active males Size Chart Size S M L Waist (cm) 75 82 82 90 90 99 Waist (inch) 29