Description
We went all in on tech so you can go all out on the trail. It’s got durability, protection, and lightweight comfort from top to bottom. We partnered with MATRYX® to design a one-piece woven upper that’s lightweight and protective, for high performance and high mileage. Protect your feet from debris with a built-in scree sleeve. A zonal fit lock is designed to deliver a confident, secure fit while a TPEE sock liner helps improve underfoot longevity. Get grip on any terrain with a Vibram® Megagrip outsole, designed to help with traction on wet and dry surfaces. It’s got a compression-molded EVA midsole with lightweight cushion designed for comfort that lasts. With our roomiest toe box and zero drop, your feet are positioned for natural movement. Go all in on your next ultra or long trail run. No matter what the day throws your way, the Olympus 275 will help keep you comfortable and protected all day, on all terrain.
Details
| Best For | Technical Trail Running, All-Day Trail Running |
| Heel-to-Toe Drop | 0mm |
| Upper | MATRYX® one-piece woven upper |
| Midsole | Compression-molded EVA |
| Outsole | Vibram® Megagrip |
| Weight | 11.9 oz / 338.8 g |
| Cushion | High |
| Stack Height | 33mm |
| Support | Neutral |
| FootShape™ | Original |
How’s It Feel?
| Ride Experience | Float — Go all day and go all out with a lightweight yet stable underfoot feel, made for longevity, confidence, and protection on technical terrain. |
| Cushion | High |
| Weight | 11.9 oz / 338.8 g |
| Support | Neutral |
| Stack Height | 33mm |
| Heel-to-Toe Drop | 0mm |
What’s It Got?
| Vibram® Megagrip™ | Durable + sticky outsole for fierce trail grip. Vibram® Megagrip is a high-performance sticky rubber that offers unparalleled grip on both wet and dry surfaces, rugged longevity, and optimal ground adaptability. |
| Compression-Molded EVA Foam | Lightweight + effortless performance. Compression-molded EVA foam is lightweight, responsive midsole foam that encourages efficiency and an effortless feel. |
| Natural Fit | Roomy toe box for natural movement. With Altra’s signature FootShape™ fit, you get our roomiest toe box with plenty of room to help your toes move freely, and space through the midfoot. |
Size Chart
All Altra shoes are designed with FootShape comfort to give your toes more room to spread out naturally and address biological differences in men’s and women’s feet.
Sizing
Altra recommends ordering Altra running shoes ½ size larger than a dress shoe.
| CM | U.S.A | U.K. | E.U. |
| 22 | 4 | 3 | 37 |
| 22.5 | 4.5 | 3.5 | 37.5 |
| 23 | 5 | 4 | 38 |
| 23.5 | 5.5 | 4.5 | 38.5 |
| 24 | 6 | 5 | 39 |
| 24.5 | 6.5 | 5.5 | 39.5 |
| 25 | 7 | 6 | 40 |
| 25.5 | 7.5 | 6.5 | 40.5 |
| 26 | 8 | 7 | 41 |
| 26.5 | 8.5 | 7.5 | 42 |
| 27 | 9 | 8 | 42.5 |
| 27.5 | 9.5 | 8.5 | 43 |
| 28 | 10 | 9 | 44 |
| 28.5 | 10.5 | 9.5 | 44.5 |
| 29 | 11 | 10 | 45 |
| 29.5 | 11.5 | 10.5 | 46 |
| 30 | 12 | 11 | 46.5 |
| 30.5 | 12.5 | 11.5 | 47 |
| 31 | 13 | 12 | 48 |
| 32 | 14 | 13 | 49 |
| 33 | 15 | 14 | 50 |
| 34 | 16 | 15 | 51.5 |