Built for triathletes, the 3-Sum from altra delivers minimal weight and light cushioning for a fast, agile ride.
- Seamless upper
- Quickdraw laces
- Heel and forefoot drainage ports
- Dual-layer AltraBound and EVA foam midsole
- Blown rubber metapod outsole
- Zero Drop platform with natural ride system designed for mid- and forefoot strikers
- Gender specific design
- Built for triathletes, the 3-Sum from altra delivers minimal weight and light cushioning for a fast, agile ride.
- Seamless upper
- Quickdraw laces
- Heel and forefoot drainage ports
- Dual-layer AltraBound and EVA foam midsole
- Blown rubber metapod outsole
- Zero Drop platform with natural ride system designed for mid- and forefoot strikers
- Gender specific design
- Built for triathletes, the 3-Sum from altra delivers minimal weight and light cushioning for a fast, agile ride.
