10 Best Triathlon Shorts 2025 in the United States

The MY KILOMETRE Triathlon Shorts are designed for athletes seeking performance and comfort in long-distance races. The main fabric is a blend of 78% Regenerated Polyamide and 22% Xtra Life Lycra, which offers moderate compression, chlorine resistance, and UPF 50+ protection. These features make the shorts suitable for both indoor pool swims and outdoor activities.

The inclusion of accessible nutrition storage pockets on the sides of the legs is a thoughtful addition for easy access during bike rides or runs, enhancing convenience for athletes. The MK TRI2.0 MULTI DENSITY CHAMOIS is specifically designed to provide comfort in the aero position, which is crucial for long cycling sessions and transitions to running. This padding aims to maximize performance without compromising comfort.

The ultra-thin and ultra-light elastic leg grippers ensure a snug fit without causing silicone discomfort, adding to the comfort and flexibility of the shorts. Flat locked stitching is used to prevent chaffing and enhance durability, benefiting those who engage in rigorous activities. However, the shorts require hand washing, which might be inconvenient for some users. Additionally, the drawstring closure might not be preferred by everyone, as some might find it less secure compared to other closure types. Despite these minor drawbacks, the MY KILOMETRE Triathlon Shorts are a strong contender for triathletes looking for reliable, comfortable, and performance-oriented gear.

The MY KILOMETRE Mens Triathlon Shorts are designed with performance in mind, making them suitable for long-distance triathlons. The fabric is 78% Regenerated Polyamide and 22% Xtra Life Lycra, offering durability, chlorine resistance, and UPF 50+ protection for outdoor use. The moderate compression aids in muscle support during intensive races. The MK TRI2.0 MULTI DENSITY CHAMOIS pad is specifically tailored for comfort in the aero position during biking and running, which is a significant advantage for triathletes.

The shorts feature ultra-thin and ultra-light elastic leg grippers that provide a secure fit without the discomfort associated with silicone. Additionally, the flat locked stitching enhances comfort by preventing chafing and aligning with the body's contours. Easy access nutrition storage pockets on the sides are perfect for race day, allowing quick access to energy gels or snacks.

However, the shorts are pull-on style, which might not be as convenient for quick changes. Also, they require hand washing, which could be a downside for those preferring machine-washable gear. While the shorts appear lightweight at 5.28 ounces, the imported nature and specific care instructions may be less appealing to some users. Ideal for dedicated triathletes, these shorts offer a combination of comfort, durability, and practical features that enhance performance.

The SLS3 Triathlon Shorts for men are designed with the athlete in mind, offering a mix of support, comfort, and practical features. Made from 80% Nylon and 20% Spandex, the material provides a good balance of comfort and muscle support without being overly tight. The shorts feature flatlock seams and a waistband with a drawstring, which help prevent chafing during long races.

The padding is foam-cushioned, designed to offer support during cycling without being bulky, making it comfortable for running as well. Two open hip pockets are conveniently placed for easy access to energy gels or small items, which is a thoughtful touch for endurance athletes. The leg grippers at the hem ensure that the shorts stay in place, eliminating the need to adjust them mid-race.

The sizing is X-Large, and the color is black, which should appeal to a broad audience. These shorts are manufactured in China and are targeted towards male triathletes looking for reliable and affordable race gear. The SLS3 Triathlon Shorts strike a good balance of performance-focused features, comfort, and affordability, making them a solid choice for triathletes.