Mens Saucony Endorphin Speed 4 High-Waisted Merino wool fibre is combined

Merino wool fibre is combined with an innovative mesh that regulates temperature

and the rubber's flex grooves allow for an adaptable ride on everything from rocky trails to smooth fire roads

Product Number: 1013A115

and most breathable socks your feet have ever met

trail running

Mens Saucony Endorphin Speed 4 High-Waisted Merino wool fibre is combinedThe Saucony Endorphin Speed 4 continues to push boundaries, offering superior performance for tempo efforts and long runs alike. This iteration sees updates from top to bottom to take your running experience to the next level! The upper features a redesigned mesh upper with targeted ventilation points to maximise breathability and an integrated gusseted tongue, ensuring an effortless midfoot lockdown. A redesigned nylon plate in the midsole offers