Product Price Material Length (inch) Waistband Style Pocket Count Lining Weight (oz)
Janji M's 5in Multi Short
US
£48.06 80% nylon, 20% elastane 5 in Multipocket Stashband 4 94% polyester, 6% spandex performance brief liner 4.1

These lightweight men's running shorts use a breathable four-way stretch nylon shell, an integrated moisture-wicking brief liner, and four bounce-resistant waistband pockets with 1L of storage. They suit runners and fast hikers who want durable, quick-drying shorts with room for essentials without carrying a belt or vest.

★ Ideal for

They are a strong under-100 running-short option because the 5 in length, 4.1 oz weight, breathable 80% nylon and 20% elastane shell, integrated brief liner, and four-pocket bounce-resistant storage support comfortable, lightweight runs.

Tracksmith Twilight Shorts
US
£55.46 89% polyester, 11% spandex 5 in Exposed elastic waistband with internal drawstring 4 Polygiene antimicrobial brief liner 5.8

The Tracksmith Twilight Shorts are lightweight, relaxed-fit running shorts with a 5 in inseam, odor-resistant liner, and four rear pockets for a phone and fuel. They suit men who want comfortable everyday training shorts with secure storage and quick-drying performance fabric.

★ Ideal for

At 75 USD, these are a strong option among top-rated men's running shorts under 100 USD because they combine a lightweight 5.8 oz build, 5 in inseam, four pockets, and a Polygiene brief liner.

Proof Airweave Short 6in
US
£38.45 polyester 6 in

The Proof Airweave Short has lightweight, breathable, moisture-wicking polyester fabric with stretch and zippered pockets for carrying essentials. Its 6 in length and performance-focused design suit men who want versatile shorts for running, gym workouts, and hot-weather activities.

★ Ideal for

At 52 USD, these 6 in shorts fit the under-100 budget and offer breathable moisture-wicking polyester, stretch, and zippered storage that make them a strong option for running.

Rabbit FKT 5in
US
£55.46 DuraWeave body fabric 50% recycled polyester 38% polyester 12% spandex 5 in 2 in FlexKnit waistband 9 Polartec Fresh Face liner 3.5

The Rabbit FKT 5in features a lightweight DuraWeave body, a FlexKnit waistband, a built-in liner, and nine pockets including a phone pocket. It suits men who want comfortable, quick-drying shorts with substantial storage for daily training, long runs, and mixed terrain.

★ Ideal for

At 75.00, these are a strong under-100 choice for men seeking top-rated running shorts with a 5 in length, lightweight 3.5 oz construction, Polartec liner, and nine-pocket storage.