Choosing trail running shoes often comes down to a tradeoff between a clearly named model and features aimed at wet, uneven ground. The Adidas Terrex Soulstride Ultra and Merrell Agility Trail Waterproof take different approaches: Adidas emphasizes the Soulstride Ultra identity, while Merrell specifies waterproof construction, cushioning, and trail-focused outsole details. The better choice depends on whether your priority is the exact Adidas configuration, wet-condition coverage, or a lower listed price.
Quick verdict
Choose the Merrell Agility Trail Waterproof for wet off-road movement and a feature set that explicitly includes a waterproof bootie, FloatPro foam, FLEXconnect grooves, and a 3mm lug outsole. Choose the Adidas Terrex Soulstride Ultra if the title's Ultra Trail wording, black color, men's size 9 configuration, and Terrex model matter more. The Merrell is also the lower-priced choice at a $16.50 difference.
At a glance
| Detail | Adidas Terrex Soulstride Ultra | Merrell Agility Trail Waterproof |
|---|---|---|
| Listed price | $94.00 | $77.50 |
| Main title cue | Terrex Soulstride Ultra Trail Running Shoes | Agility Trail Waterproof Trail Running Shoes |
| Color and closure | Black; lace up | Mariana Blue; lace up |
| Named construction detail | Terrex product line | Waterproof bootie, FloatPro foam, FLEXconnect grooves, 3mm lug outsole |
Where each product wins
Adidas wins for a specific model-and-color brief. The title identifies the Terrex Soulstride Ultra, and the attributes specify black, lace-up, men's footwear in size 9. That makes it the more direct match for shoppers who have already settled on those exact selection cues.
Merrell wins for wet-condition trail use. Its description directly connects the shoe with off-road terrain, trail running, wet conditions, and a waterproof bootie construction. FloatPro foam, FLEXconnect grooves, and the named lug outsole add more concrete trail-use detail to the choice without requiring assumptions about how technical numbers translate on the ground.
Product notes
Adidas Men's Size 9 Terrex Soulstride Ultra Trail Running Shoes IE8453
Adidas makes the most sense for a shopper who has narrowed the decision to the named Terrex Soulstride model and wants the title's Ultra Trail wording, black colorway, lace-up closure, and men's size 9 configuration. The adidas TERREX product line and Activewear designation keep the choice focused on an athletic-use shoe. The main limitation is the stated condition: new without box. That may not suit someone for whom boxed presentation is part of the purchase decision. This is a focused pick for the exact model, color, and size cues rather than a broad feature-led decision. Its appeal is specificity: the title and attributes make it easy to recognize the particular configuration being considered.
Merrell Agility Trail Waterproof Men's Trail Running Shoes in Mariana Blue
Merrell is the clearer fit when wet ground and off-road movement are central to the decision. The waterproof bootie construction is specifically described for keeping feet dry in wet conditions, while FloatPro foam supplies the named energy-return cushioning and FLEXconnect grooves are intended to improve ground connection and agility. The description also identifies recycled materials, a foam insole, fabric lining, and a 3mm lug outsole. The limitation is the concrete configuration: men's lace-up footwear in Mariana Blue, also identified as blue in the attributes. If your brief centers on another color or closure, this particular configuration does not match it. For shoppers prioritizing the stated trail features, however, its purpose is easy to understand.
Final choice by use case
- Choose Adidas when the exact Terrex Soulstride Ultra title, black color, men's size 9, and lace-up setup are the deciding details.
- Choose Merrell for wet-condition trail running, because its waterproof bootie construction is explicitly paired with FloatPro foam, FLEXconnect grooves, and a 3mm lug outsole.
- Choose Merrell for the lower listed price: $77.50 versus $94.00, a $16.50 spread. That is a price distinction, not a claim about performance.
For most shoppers comparing these two trail running shoes, Merrell offers the more clearly specified wet-weather use case, while Adidas is the better match for someone seeking that particular Terrex Soulstride Ultra configuration.
