Altra Olympus 275 HiLo Trail Running Shoes - Lighter EGO™ MAX Foam for All-Day Technical Trail Confidence

The Altra Olympus 275 HiLo is built to climb the ups and fly the downs with confidence across technical terrain. An updated Altra EGO™ MAX midsole foam that's 15% lighter and 10% softer than the previous version delivers plush underfoot feel in every step. Vibram® Megagrip with TractionLug™ provides fierce grip with adaptive traction on wet and dry terrain. Whether you're heading out for an all-day training run or toeing the start line of an ultra-trail race, this shoe can send it all day and all night.

Updated Altra EGO™ MAX Midsole Foam

The updated Altra EGO™ MAX foam is 15% lighter and 10% softer than the previous version, creating a plush underfoot feel throughout every step. This soft and stable sensation combines with performance grip to keep you focused and confident across extended trail efforts without sacrificing durability for high-mileage use.

Vibram® Megagrip with TractionLug™

Vibram® Megagrip with TractionLug™ delivers fierce grip with adaptive traction and stability across wet and dry terrain. From muddy descents to dry rocky climbs, this outsole maintains confident ground contact throughout.

MATRYX® One-Piece Woven Upper with Scree Sleeve

MATRYX® one-piece woven upper is built for high performance and durability with a built-in scree sleeve protecting feet from trail debris. Altra's roomiest toe box allows toes to spread naturally for comfort, balance, and strength, whilst zero drop positioning places the foot in a natural, stable position throughout.

Key Features:

- Updated Altra EGO™ MAX foam (15% lighter, 10% softer)

- Vibram® Megagrip with TractionLug™

- Wet and dry terrain grip

- MATRYX® one-piece woven upper

- Built-in scree sleeve

- Roomiest Altra toe box

- Zero drop platform

- All-day and all-night trail capability

Best For:

- Technical trail running

- Ultra-distance trail racing

- All-day trail efforts

- Wet and dry terrain

- Runners wanting natural foot positioning

- High-mileage trail training

Is the Olympus 275 HiLo Right for You?

Built for trail runners needing all-day confidence on technical terrain without sacrificing comfort over extended efforts. The updated EGO™ MAX foam being 15% lighter and 10% softer makes a meaningful difference across ultra distances where small comfort details become significant ones. Vibram® Megagrip with TractionLug™ adapts to varied conditions, handling wet rocks and dry technical singletrack with equal confidence. The MATRYX® woven upper with built-in scree sleeve handles trail debris without interrupting your rhythm. Altra's roomiest toe box with zero drop keeps natural foot mechanics intact across long efforts. If you're racing ultras, logging serious trail mileage, or want an all-day technical trail shoe that stays comfortable from trailhead to finish, the Olympus 275 HiLo delivers.