Men's Running Shorts Built for Performance and the Rest of Your Day

The best length depends on your activity and how much coverage you prefer. For track and speed work, 3-inch shorts allow maximum leg movement and are the choice of most competitive runners. For general training and everyday wear, 5-inch shorts are the most versatile — enough coverage to feel relaxed off the run, short enough not to restrict your stride. Seven-inch shorts suit longer distance runners who want less chafe risk on the inner thigh, and they translate cleanly to casual wear. There's no wrong answer, but most men find 5-inch to be the starting point worth trying first.

A liner is a built-in brief or compression short sewn inside the outer shell of the running short. It replaces the need for a separate pair of underwear, holds everything in place during movement, and wicks moisture away from the skin. Most men who run regularly prefer running shorts with a liner because it reduces friction, eliminates bunching, and keeps things comfortable across longer distances. If you already wear compression shorts or have a specific reason to layer, unlined styles give you that flexibility. For most everyday runs, the liner is the practical choice.

Running shorts should sit comfortably at the waist without requiring a tight drawstring to stay up. The fit through the seat and thigh should allow full range of motion — no pulling when you stride out, no restriction in a hip flexor stretch. A liner, when included, should feel snug but not compressive. If the outer shell is riding up or bunching at the hem, size up. If the waistband is folding or gaps at the back, size down. Four-way stretch fabrics are more forgiving than woven shells, so fit closer to your actual measurements rather than going loose for comfort.

Yes. The same qualities that make a good running short — four-way stretch, moisture-wicking fabric, clean cut — make them well-suited for gym training, cycling, hiking, and casual wear. The clean minimal aesthetic of this collection specifically avoids the overbranded, overtextured look that makes athletic gear feel out of place outside the gym. A 5-inch or 7-inch style in a neutral colorway moves easily from a Saturday morning run to an afternoon errand without looking like you forgot to change.

The collection uses performance blends built around moisture-wicking nylon and polyester with four-way stretch construction. These fabrics pull sweat away from the skin, dry quickly, and move with the body rather than against it. Some styles incorporate lightweight mesh panels at the sides or back for additional airflow. The liner, where included, is typically a softer stretch fabric designed to sit directly against the skin without irritation. Unlike cotton, which holds moisture, these performance materials stay light and dry whether you're 2 miles in or 10.

Machine wash cold, gentle cycle, and hang dry or tumble dry on low. Performance fabrics are durable, but heat is their main enemy — high dryer temperatures break down the elastane fibers that give the shorts their stretch over time. Avoid fabric softener, which coats moisture-wicking fibers and reduces their ability to move sweat away from the skin. If you're washing after a tough session, a sports-specific detergent helps clear out the oils and residue that regular detergent sometimes leaves behind. Cold water, low heat, no softener — that's the routine that keeps the fabric performing longer.

The terms get used interchangeably, but there are real differences in how they're designed. Running shorts tend to be lighter, shorter, and cut specifically for forward motion — the stride mechanics of running. Training shorts are typically a bit longer, more structured, and built for the multi-directional demands of gym work, HIIT, and lifting. Both often include a liner and moisture-wicking fabric. If you run exclusively, a dedicated running short will feel more natural on the road. If your sessions mix running with gym work, a training short is the more practical single purchase. This collection covers both.

Think about how you run and where. Three-inch shorts are faster and more minimal — great for track, hot weather, and runners who dislike any fabric near the thigh. Five-inch shorts add coverage without sacrificing mobility and tend to work better as everyday wear after the run. If chafing on the inner thigh is a concern, a 5-inch or 7-inch length provides a natural barrier that a 3-inch split doesn't. First-time buyers who aren't sure where they land almost always find 5-inch to be the safer starting point. You can always go shorter once you know what you like.

The shorts are designed with the San Francisco approach to athletic apparel: function that doesn't sacrifice the way something looks. Four-way stretch performance fabrics move without restriction and dry fast, while the clean minimal cuts avoid the loud branding and heavy construction common in mainstream athletic wear. The liner construction is built to hold up through repeated washes without rolling or bunching. Sizing runs true to fit, with a waistband cut to stay in place without constant readjustment. These are shorts for the man who trains seriously and doesn't want to change clothes twice before lunch.