Saucony Xodus Ultra 4
Whether you're racing ultras, climbing switchbacks, or spending sunup to sundown on your feet, the Saucony Xodus Ultra 4 max cushioned trail running shoes deliver serious comfort, traction, and endurance-ready support.
Best UseBest Use Learn More
SurfaceSurface Learn More
CushioningCushioning Learn More
Men's Trail Running Shoes
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Daily Trainer TrailDaily Trainer TrailDaily Trainer Trail running shoes are reliable and versatile. They are great for a broad range of surfaces and used by beginner and advanced trail runners. 
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Max Cushion TrailMax Cushion TrailMax Cushion Trail shoes deliver ultimate comfort. They have tons of cushioning, making them great for running long distances. 
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Performance Trail | Sub-UltraPerformance Trail | Sub-UltraPerformance Trail running shoes are nimble and agile. They tend to be light and are the choice for many who run sub-ultra trail races. They are also great for those seeking a fast and free experience. 
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Super Trail | Race UltraSuper Trail | Race UltraSuper Trail shoes are built for the best trail runners in the world. You don't have to be elite to benefit from the best technology available in these shoes. Whether racing an ultra or just looking for an assist, Super Trail shoes deliver the best trail performance. 
Men's Running Shoes by Surface
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Roads & PavementRoads & PavementRoad running shoes feature smooth outsoles that are designed for running on paved surfaces such as roads, sidewalks, and bike paths. 
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Smooth Trails & FireroadsSmooth Trails & FireroadsDesigned to handle most trail runs, these shoes prioritize comfort and a smooth ride. These shoes are great for anything from smooth singletrack, park trails, and fireroads making them ideal for those who run from their doorstep on streets before hitting the trail. 
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Rocky & Technical TrailsRocky & Technical TrailsThese shoes are best used for hard, rugged trails such as shale, granite or sandstone where grip on smooth surfaces and underfoot protection are important. 
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Soft & Muddy TrailsSoft & Muddy TrailsDesigned for use in muddy, soggy conditions, these shoes feature very aggressive outsoles that dig deep into soft ground for exceptional traction. 
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Snowy & Icy TrailsSnowy & Icy TrailsThese shoes feature technical outsoles designed to grip snowy and icy trails making them ideal for winter trail running. 
Cushioning Level
- Cushioning level, or stack height, refers to how much shoe is between your foot and the ground. For this category, we reference the amount of cushioning below the forefoot as the heel height will be equal to or greater than the forefoot height. 
 Learn more about stack heights and how we measure them.
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Barefoot0-13mm. The Shoe generally does not have a midsole and feels like there is no cushioning. This shoe is all about feeling the ground underfoot. 
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Minimal14-18mm. The shoe has a thin midsole that allows for a natural running experience. Racing shoes and minimalist shoes are common here. These shoes offer a feeling of being connected to the road or trail. 
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Low19-23mm. The shoe has a slightly cushioned feel and may feature added cushioning technologies. Performance training shoes and some trail shoes are common here. These offer protection during footstrike but prioritize a lightweight, grounded experience. 
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Medium24-28mm. These shoes have a stack height that fall near the middle of the spectrum.The shoes in this category are verstaile and great for all types of runs and distances. 
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High29-34mm. The shoe has a thick midsole and ample cushioning. These shoes are highly protective and absorb more impact than the body. 
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Maximal35mm plus. The shoe has an extremely thick midsole and extra cushioning. The focus is on protection and soft foam underfoot with hardly any ground feel. 
Stability Level
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Neutral Running ShoesNeutral shoes support the foot through a normal range of arch collapse and generally do not have a built-in technology to correct movement. 
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StableStability shoes are a great option for those who overpronate or need added support. These shoes help to limit the inward rolling motion of the ankle while running or walking and assist in guiding the foot straight through the gait cycle. 
Product Details:
The Saucony Xodus Ultra 4 is a max cushion trail running shoe built for adventurers who don't just face tough trails, they thrive on them. Designed for ultra-distance days and high-mileage weeks, it features a dual-layer midsole with springy PWRRUN PB superfoam on top and protective PWRRUN foam underneath. The result? A ride that's soft where you need comfort and responsive where you want to push the pace.
Right beneath your foot, a PWRRUN+ sockliner brings an extra layer of bounce and step-in softness, perfect for long hours on rugged terrain. And when the ground gets unpredictable, the new Vibram Megagrip outsole compound offers confident grip over rocks, roots, dirt, and whatever else lies ahead.
Overall, its superfoam core gives you a noticeable springy lift to help you power up climbs or boost your energy when you're worn out. With its dialed-in fit, high-cushion comfort, and tough-as-nails outsole, the Saucony Xodus Ultra 4 doesn't just keep up with your goals, it fuels your wildest ones.
What You'll Love:
- Highly cushioned trail shoe ideal for daily training and long-distance racing
- New Vibram outsole is super sticky and durable
- Dual-foam midsole delivers a soft and surprisingly propulsive ride
Model Number: S21032-244
Specs & FitLearn More
Shoe Specs
| Weight: | 11.4 oz 323 g | 
| Heel Stack: | 38 mm | 
| Forefoot Stack: | 32 mm | 
| Heel-Toe Offset: | 6 mm | 
How It FitsLearn More
| Heel Width: | Average | 
| Midfoot Fit: | Average | 
| Toe Box Fit: | Average | 
How We Measure Our Shoe Specs
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We measure every shoe in-house to provide accurate and consistent details. 
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WeightThe weight is based on a Men's size 9 for Men's and Unisex shoes or Women's size 8 for Women's shoes. The weight listed is for a single shoe, including the laces. 
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Heel StackThe heel stack refers to how high your heel sits above the ground when wearing shoes. Based on Men's size 9 as the standard. 
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Forefoot StackForefoot stack refers to how high the ball of the foot sits above the ground when wearing shoes. Based on Men's size 9 as the standard. 
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Heel-toe OffsetHeel-toe offset (drop) is the difference in height between the heel stack and the forefoot stack. We use the number given to us by the brand. 
How We Measure Shoe Fit
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All measurements are based on Medium width. 
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Fit (width) options are Narrow - Snug - Average - Roomy - Wide. 
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Sizing (length) options are Short - True - Long. Note: fit is relative to the "average" running shoe. 
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We partner with SmartLast, a program by Heeluxe, to use advanced shoe-measuring technology, to provide objective measurements for toe box, midfoot, and heel widths as well as overall length. 
Cushioning Level
- 
BarefootBarefoot0-13mm. The Shoe generally does not have a midsole and feels like there is no cushioning. This shoe is all about feeling the ground underfoot. 
- 
MinimalMinimal14-18mm. The shoe has a thin midsole that allows for a natural running experience. Racing shoes and minimalist shoes are common here. These shoes offer a feeling of being connected to the road or trail. 
- 
LowLow19-23mm. The shoe has a slightly cushioned feel and may feature added cushioning technologies. Performance training shoes and some trail shoes are common here. These offer protection during footstrike but prioritize a lightweight, grounded experience. 
- 
MediumMedium24-28mm. These shoes have a stack height that fall near the middle of the spectrum.The shoes in this category are verstaile and great for all types of runs and distances. 
- 
HighHigh29-34mm. The shoe has a thick midsole and ample cushioning. These shoes are highly protective and absorb more impact than the body. 
- 
MaximalMaximal35mm plus. The shoe has an extremely thick midsole and extra cushioning. The focus is on protection and soft foam underfoot with hardly any ground feel. 
Technologies
MIDSOLE
- PWRRUN PB superfoam is a main layer core of PEBA for lightweight cushioning and a responsive underfoot experience.
- PWRRUN foam supportive EVA frame provides predictable stability through the gait cycle.
- PWRRUN+ sockliner adds a plush and bouncy layer of beaded TPU directly underfoot.
OUTSOLE
- Vibram® Megagrip is super sticky and durable, with stronger traction than traditional rubber, and adapts to a variety of terrain.
- 4 mm Vibram® Traction Lugs enhance bite with multiple levels of micro serration details. Generally, the increased surface area improves grip up to 25% over plain lugs.
UPPER
- Closed nylon mesh is designed to be breathable and protect against debris, while providing structure and lockdown on uneven terrain.
 
 
 
 
 
