Under Armour Men's Rival Fleece Shorts - Comfortable Gym Staple

Our review of the Under Armour Men's Rival Fleece Shorts finds them best suited for gym-goers and casual wearers who prioritize comfort and soft feel over technical performance. The single biggest reason to buy is the ultra-soft cotton-blend fleece with a brushed inside that makes these shorts feel like a reliable go-to for cool mornings, warm-down sessions, or low-key weekends. They balance warmth and moisture-wicking well, so anyone wanting a comfortable everyday short will appreciate the fabric and simple functional features.

Key Features

• Ultra-soft fleece: The 230g cotton-blend fleece with a brushed inside provides a cozy, warm interior that is pleasant against the skin during cooler workouts.
• Moisture management: The material wicks sweat and dries quickly enough to keep the wearer comfortable during moderate exercise or layered use.
• Secure fit: An encased elastic waistband with an external drawcord gives easy adjustability and keeps the shorts in place during movement.
• Functional pockets: Open hand pockets plus a right-side internal phone pocket and a snap back pocket offer practical storage for small items while training.
• Straight inseam: A 10.75in inseam offers mid-thigh coverage that suits most active and casual uses without feeling too short or restrictive.

Who It's For

These shorts suit men who want a soft, comfortable pair for gym warm-ups, light cardio, and everyday casual wear. The blend of warmth from the brushed inside and sweat-wicking performance makes them a solid choice for cooler days at the gym or for running errands when comfort is the priority.

Shoppers who need a lightweight technical running short, a built-in liner, or a highly weatherproof piece should look elsewhere. Also consider alternatives if colorfastness is a top concern, as some customers report faster fading with frequent washing.

Pros & Cons

Pros

• Very comfortable, with a soft brushed interior that feels good for extended wear.
• Good functional design: elastic waistband, external drawcord, and multiple pockets including a phone pocket.
• Material wicks sweat and dries relatively quickly, suitable for gym use.
• Reasonable value for the comfort and build quality offered.

Cons

• Colors may fade faster than expected after repeated washing, according to some users.
• Sizing can be inconsistent for a few customers, with reports of running small.

Specifications

Our Verdict

The Under Armour Men's Rival Fleece Shorts are a dependable, comfortable option for gym sessions and everyday casual wear. They deliver soft fabric, practical pocketing, and solid moisture management at a fair price, making them a smart pick for buyers who prioritize comfort and utility over high-performance running features.

Frequently Asked Questions

Do these shorts have a liner?
No, these shorts do not include a liner; they are a single-layer cotton-blend fleece design.

How long is the inseam?
The listed inseam is 10.75 in, which gives mid-thigh coverage for most wearers.

Are the pockets secure for a phone?
Yes, there is a right-side internal phone pocket plus a snap back pocket to keep small items secure during activity.