sums, all seasons, white / yellow / orange. size (eu & us):EU 36-40 / US M 4-7 / US W 5.5-8.5 ' solid carbon rubber rearfoot

' solid carbon rubber rearfoot / comfortable slightly more forgiving  heel counter / high-rebound X40 ortholite insole with 20% recycled material / roomy forefoot / replaceable outsole to give your shoe a second life as a lawnmower or a dogwalker

or to start to see things differently

parts: ykk zippers

the concept

sums, all seasons, white / yellow / orange. size (eu & us):EU 36-40 / US M 4-7 / US W 5.5-8.5 ' solid carbon rubber rearfootsums is the rebel performance socks brand from the uk. we love them and we need them. all socks are unisex and quarter length. simple sizing setup. built for year around running and the gym of course. trusted by elites and total amateurs for ultra marathons. medium compression, anti blister cushioning, breathable mesh and zero slip arch band support.