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Altra Women's Olympus 275 HiLo - Vapourous Gray/Bluefish/Sharp Green
The Altra Women's Olympus 275 HiLo is a highly cushioned trail shoe for technical trails, long workouts, and ultrarunning. It combines a soft and stable Altra EGO™ MAX midsole with a durable MATRYX® upper and Vibram® Megagrip with TractionLug™.
The shoe features 0mm drop, 33mm stack height and Altra's roomy Original FootShape™. The Vapourous Gray/Bluefish/Sharp Green colorway combines gray with blue and sharp green details.
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The Altra Olympus 275 HiLo for women is designed for runners looking for high cushioning, durability and reliable grip for technical trails and long days on the trail.
The updated Altra EGO™ MAX midsole provides a soft and stable feel underfoot. With 33 mm of cushioning under both the heel and forefoot, the shoe protects against rocks, roots and hard surfaces without building in any height difference between heel and toe.
The woven MATRYX® upper wraps the foot, providing a durable construction for demanding terrain. The material is designed to keep the foot stable through the midfoot while the Original FootShape™ provides plenty of room for the toes.
Underneath the shoe is Vibram® Megagrip with TractionLug™ , which provides grip and stability on a variety of surfaces. The combination is suitable for technical mountain trails, forest paths, gravel, roots and wet or dry rocky areas.
The Olympus 275 HiLo is a good choice for ultra running, long trail runs and competitions where comfort, protection and grip need to work for many hours.
High cushioning for long distances
Developed for technical trails
Soft and stable Altra EGO™ MAX midsole
Vibram® Megagrip with TractionLug™
Durable MATRYX® upper
Spacious Original FootShape™
Plenty of room for your toes
Stable fit through the midfoot
0 mm drop
33 mm stack height
Neutral construction
Weight approximately 249 grams
| Property | Information |
|---|---|
| Model | Altra Women's Olympus 275 HiLo |
| Paint | Vaporous Grey/Bluefish/Sharp Green |
| Article number | AL0A85XY89U |
| Product type | Women's trail shoe |
| Use | Technical trail and long distance |
| Damping | High |
| Drop | 0 mm |
| Stack height | 33 mm |
| Weight | Approximately 249g |
| Midsole | Altra EGO™ MAX |
| Outsole | Vibram® Megagrip with TractionLug™ |
| Upper part | One-piece woven MATRYX® upper |
| Fit | Original FootShape™ |
| Support | Neutral |
The updated midsole in the Altra EGO™ MAX is designed to combine soft cushioning with a stable feel on technical surfaces.
The cushioning provides protection during long runs and helps smooth out hard impacts from rocks, gravel and roots. The high sole platform is especially suitable when comfort and protection are prioritized over maximum ground feel.
The Vibram® Megagrip outsole provides reliable contact on both wet and dry surfaces. TractionLug™ complements the rubber compound with a dual lug design that improves grip and stability on technical terrain.
The outsole works well on:
Rocky mountain paths
Wet and dry rock outcrops
Forest trails
Roots
Packed soil
Gravel roads
Mixed trail surfaces
The upper is made from a continuous woven MATRYX® material . The construction provides a durable and supportive upper for long distances and technical terrain.
The material helps keep the foot in place through the midfoot, which is especially important on steep climbs, fast descents and uneven terrain.
The Olympus 275 HiLo uses the Original FootShape™ , Altra's roomiest fit.
The wider shape gives your toes room to spread out while keeping your foot stable through the midfoot. This is especially appreciated during long runs and ultra races, when feet can swell.
Original FootShape™ means a spacious and anatomically shaped toe box. It is not the same as a traditional wide size.
The shoe has as much material under the heel as under the forefoot, which gives 0 mm drop .
If you are used to running shoes with a higher drop, you should get used to the model gradually:
Start with shorter and calmer sessions.
Vary your regular running shoes.
Increase distance and altitude gradually.
Wait with really long sessions until your body has gotten used to it.
Always test the shoes thoroughly before competing.
Trail running
Ultra running
Mountain running
Trail marathon
Technical trail races
Long workouts
Full-day tours
Fast packing
Hiking
Runners who want high cushioning
Runners who prefer a roomy toe box
Runners who are used to 0mm drop
Brush off dry mud and dirt after use.
Rinse the shoes with lukewarm water if necessary.
Use a soft brush on the upper and outsole.
Remove the insoles when drying.
Let the shoes air dry at room temperature.
Avoid washing machines and dryers.
Avoid radiators, drying cabinets and direct heat.
Store the shoes in a dry and ventilated place.
The shoe has a 0 mm drop and may require gradual getting used to.
Original FootShape™ is roomy but is not the same as a specific Wide size.
The high cushioning provides less direct ground contact than a lower trail shoe.
The stated weight applies to a reference size and varies between sizes.
Test the shoes during longer training sessions before competition.
The women's model weighs approximately 249 grams. Weight may vary depending on size.
The Olympus 275 HiLo has a 0 mm drop, which means that the heel and forefoot are at the same height.
The shoe has 33 mm stack height under both the heel and forefoot.
The model uses Altra EGO™ MAX, which provides a soft and stable feel underfoot.
The shoe features Vibram® Megagrip with TractionLug™ for grip and stability on technical terrain.
Yes. Original FootShape™ is Altra's roomiest fit and provides plenty of room for your toes.
The shoe has a spacious toe box, but Original FootShape™ is not the same as a specific width size.
Yes. The high cushioning, roomy fit and grippy outsole make the model well suited for ultra running and long trail runs.
Yes. The MATRYX® upper, stable midsole and Vibram® Megagrip are designed for technical trails and varying surfaces.
No, the model has neutral support. The wide sole platform also provides a stable feeling under the foot.
The Altra Women's Olympus 275 HiLo is generally regular in length and features Altra's roomy Original FootShape . The foot-shaped toe box gives your toes plenty of room, while the woven Matryx upper creates a more structured and enveloping fit around your foot.
Early user experience suggests that the toe box may feel slightly narrower than in the original Olympus 275, despite both models using the Original FootShape.
| EU | UK | US women | Comparison measure* |
|---|---|---|---|
| 34.5 | 2 | 4 | 20.5cm |
| 35 | 2.5 | 4.5 | 21 cm |
| 35.5 | 3 | 5 | 21.5cm |
| 36 | 3.5 | 5.5 | 22cm |
| 37 | 4 | 6 | 22.5cm |
| 37.5 | 4.5 | 6.5 | 23cm |
| 38 | 5 | 7 | 23.5cm |
| 38.5 | 5.5 | 7.5 | 24cm |
| 39 | 6 | 8 | 24.5cm |
| 40 | 6.5 | 8.5 | 25cm |
| 40.5 | 7 | 9 | 25.5cm |
| 41 | 7.5 | 9.5 | 26 cm |
| 42 | 8 | 10 | 26.5cm |
| 42.5 | 8.5 | 10.5 | 27 cm |
| 43 | 9 | 11 | 27.5cm |
| 44 | 9.5 | 11.5 | 28 cm |
| 44.5 | 10 | 12 | 28.5 cm |
*The comparison measurement corresponds to the length of the foot plus 0.5 cm, according to Altra's measurement method.
| Part of the shoe | Perceived fit |
| Length | Normal |
| Toe box | Spacious, but may feel narrower than the original Olympus 275 |
| Metatarsal | Enveloping and stable |
| Ankle | Normal to relatively tight |
| Heel | Stable with good fixation |
| Entrance | Tight through the integrated debris cuff |
| Narrow feet | Can feel spacious at the front |
The Original FootShape is Altra's most spacious foot shape, with plenty of room for both the toes and through the midfoot. However, that doesn't mean the Olympus 275 HiLo is a traditional Wide model.
The Kevlar-reinforced Matryx upper is thin, durable, and less flexible than regular mesh. As a result, the shoe may feel more snug during the first few runs. Early user reviews indicate that the upper can soften and conform somewhat with use, but don't rely on a shoe that's clearly too narrow to stretch enough.
First, choose your usual Altra or running shoe size if your measurement is clearly within the size range and you have enough room in front of your toes.
Choose a half US size larger if you:
Don't go down a size just because the toe box feels roomy. The extra toe space is an intentional feature of the model. First, check that the length is sufficient and adjust the lacing if you need better fixation.
You can normally start with the same size. Olympus 275 HiLo retains the Original FootShape but may, according to early user experience, feel slightly narrower at the little toe side.
If your original Olympus 275 already sits close to your foot, you should therefore compare your usual size with a half US size larger. However, if you have plenty of room in the older model, the same size should be a good first choice.
The Olympus 275 HiLo has a roomy toe box but a more technical and fixed Matryx upper. The fit around the midfoot and heel can therefore feel more secure than in the Olympus 6.
Since Olympus 6 is perceived by some as short, you should not automatically go up a size in the HiLo model. Measure your foot and use the chart as a guide. Choose a larger size only if you need more length or extra room for swelling.
Try the shoe on with the socks you plan to wear. The heel and midfoot should be stable, while the toes should be able to move without touching the front edge or being squeezed together. It is a good idea to test the fit on downhill runs before using the shoe on a longer run.
