Men's Endorphin Speed 5 (150 - Slime/Cobalt) Size:13 L/XL - Women's 9

L/XL - Women's 9

Adak is a true winter adventure boot

A throwback style with an oversized fit

offering a plush energetic ride

Bring your next ultra to the next level with a lightweight design specific for ultra running

Men's Endorphin Speed 5 (150 - Slime/Cobalt) Size:13 L/XL - Women's 9Designed as an up tempo shoe, its quickly proven itself as much more, equally capable during long, moderate training sessions and sprints to the finish. WHATS NEW: Energy efficient PWRRUN PB foam bounces back with every step combined with a winged Nylon plate that provides torsional rigidity while maintaining flexibility in the forefoot, making for a sure footed, snappy ride SPEEDROLL technology for effortless speed and addictive forward motion you