Mountain Hardwear Summit Grid™ Hoody vs Rab Ascendor Light Hoody

Editorial Team
Last modified at July 22, 2026
When it comes to choosing the right fleece jacket for hiking, the Mountain Hardwear Summit Grid™ Hoody and the Rab Ascendor Light Hoody are both strong contenders. Each jacket has its unique strengths, catering to different needs and preferences. This comparison will help you understand which jacket might be the best fit for your outdoor adventures.

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Mountain Hardwear Summit Grid™ HoodyRab Ascendor Light Hoody
Summit Grid™ Hoody
Rab Ascendor Light Hoody
Weight

Not specified by manufacturer

10.9 oz

Stretch

Stretchy fabric (unquantified)

Yes

Pockets

Kangaroo hand pocket

Hand pockets: 2
Chest pocket: 1

Zipper Type

Center front half zip

Full-length front zip

Material Type

Fabric Body: Grid Fleece: 100% Polyester

Main fabric: Thermic™ S Soft Fleece Fabric with Striped Backer (165gsm)
Secondary fabric: Matrix™ Single Weave Softshell with fluorocarbon-free DWR (136gsm)

Warranty

Limited Lifetime Warranty — practical life of the product

3 Years

Fit

Standard Fit

Slim

Seam Construction

Raglan-sleeve construction

Flatlocked seams

Collar Style

Three-piece fitted hood with adjustable cinch

Under-helmet hood

Warmth

Summit Grid™ Hoody

4.1/ 5.0

Rab Ascendor Light Hoody

4.6/ 5.0

Warmth is a crucial factor for fleece jackets, especially when hiking in cold conditions. A jacket that retains heat well can make a significant difference in your comfort and safety on the trail. The Rab Ascendor Light Hoody excels in this category, offering a high warmth-to-weight ratio that keeps you warm without adding bulk. Buyers consistently praise its ability to provide a lot of nice warmth and its lightweight warm fleece, making it a reliable choice for chilly hikes. The Mountain Hardwear Summit Grid™ Hoody also performs well in warmth, retaining heat and keeping you dry, but it doesn't quite match the Rab Ascendor Light Hoody's superior warmth ratings.

Comfort

Summit Grid™ Hoody

4.2/ 5.0

Rab Ascendor Light Hoody

4.6/ 5.0

Comfort is essential for any hiking jacket, as it directly impacts your overall experience on the trail. A comfortable jacket should feel soft, fit well, and allow for unrestricted movement. The Rab Ascendor Light Hoody stands out in this category, with buyers highlighting its nice and soft fabric, moisture-wicking properties, and extreme stretchiness. These features ensure that the jacket moves with your body, providing all-day comfort. The Mountain Hardwear Summit Grid™ Hoody is also comfortable, with a form-fitting design that stays in place, but it lacks the same level of stretch and moisture-wicking capabilities as the Rab Ascendor Light Hoody.

Durability

Summit Grid™ Hoody

3.6/ 5.0

Rab Ascendor Light Hoody

3.0/ 5.0

Durability is important for a hiking jacket, as it needs to withstand the rigors of outdoor activities. A durable jacket will last longer and provide better value for your investment. The Mountain Hardwear Summit Grid™ Hoody has an edge in this category, with buyers reporting that it holds up well to regular washing and general use. While it may not be perfect for heavy outdoor use, it still outperforms the Rab Ascendor Light Hoody, which has mixed reviews regarding its durability, especially in rough terrain. If you need a jacket that can handle more abrasive conditions, the Mountain Hardwear Summit Grid™ Hoody is the better choice.

Fit

Summit Grid™ Hoody

3.8/ 5.0

Rab Ascendor Light Hoody

4.8/ 5.0

The fit of a hiking jacket affects both comfort and functionality. A well-fitting jacket should allow for a full range of motion while staying snug enough to retain heat. The Rab Ascendor Light Hoody excels in this category with its slim fit and very trim design, which buyers appreciate for its flexibility and movement-friendly construction. The Mountain Hardwear Summit Grid™ Hoody offers a standard fit with adjustable drawstrings, which is comfortable but may not provide the same level of tailored fit as the Rab Ascendor Light Hoody. If you prefer a more fitted and flexible jacket, the Rab Ascendor Light Hoody is the clear winner.

Breathability

Summit Grid™ Hoody

3.1/ 5.0

Rab Ascendor Light Hoody

4.1/ 5.0

Breathability is crucial for maintaining comfort during high-intensity activities. A breathable jacket helps manage sweat and prevents overheating. The Rab Ascendor Light Hoody shines in this category, with buyers praising its very breathable fabric that allows for increased airflow. This makes it an excellent choice for active hikers who need to manage sweat effectively. The Mountain Hardwear Summit Grid™ Hoody, while comfortable, does not offer the same level of breathability, making it less suitable for high-intensity activities.

Weather Resistance

Summit Grid™ Hoody

3.7/ 5.0

Rab Ascendor Light Hoody

4.3/ 5.0

Weather resistance is important for any outdoor jacket, as it determines how well the jacket can protect you from wind and light precipitation. The Rab Ascendor Light Hoody performs better in this category, with buyers highlighting its wind-resistant fabric and DWR coating, which provide better protection against the elements. The Mountain Hardwear Summit Grid™ Hoody offers decent protection against wind and light precipitation, but it doesn't match the Rab Ascendor Light Hoody's superior weather resistance. If you need a jacket that can handle more challenging weather conditions, the Rab Ascendor Light Hoody is the better choice.

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Conclusion & Final Verdict:

After comparing the Mountain Hardwear Summit Grid™ Hoody and the Rab Ascendor Light Hoody, it's clear that each jacket has its strengths. The Rab Ascendor Light Hoody is the better choice for serious hikers who need superior warmth, breathability, and weather resistance. Its advanced materials, better fit, and additional features like more pockets and a full-length zip make it a versatile and high-performing option.

On the other hand, the Mountain Hardwear Summit Grid™ Hoody is a solid choice for casual outdoor activities. It offers a comfortable fit, better durability, and a lifetime warranty, making it a reliable and long-lasting option for those who prioritize comfort and value.

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