#7 on this list
AFO Middle Shorts
Janji
The Janji AFO Middle Shorts are purpose-built for warm-weather running where lightweight ventilation is paramount. Constructed using Janji's AirForm Outer (AFO) fabric—an 88% recycled polyester and 12% elastane blend—these shorts have a featherweight, crisp hand that feels barely there against the skin. Offered in both 3-inch and 5-inch inseams, they give runners flexibility between split-short mobility and standard mid-thigh coverage. Reviewers consistently note the AFO fabric's ability to resist clinging when thoroughly soaked with sweat, a common failure point for lightweight running gear. The integrated brief liner uses micro-perforated material to maximize airflow, and the waistband features a clean drawcord system that stays tied without slipping. A zippered back pocket keeps a key or cards locked down tight. While the AFO Middle Shorts handle daily endurance runs with ease, they are not intended to replace a trail running belt. The rear pocket will hold small essentials, but carrying a heavy smartphone or bulky fuel bottles is not practical. For runners prioritizing pure heat dissipation and friction-free movement, however, it remains an exceptional choice. **Highlights** - Ultralight AFO fabric (88% recycled polyester, 12% elastane) - Fast-drying shell that resists sticking to wet skin - Available in 3-inch and 5-inch inseam options to suit runner preference - Micro-perforated brief liner enhances breathability in high heat - Low-profile back zip pocket for essential security **Watch-outs** - Lacks deep utility pockets for carrying hydration or large phones - Lightweight technical shell requires care around sharp trail brush
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#8 on this list
FKT 5″
Rabbit
The Rabbit FKT 5″ is tailored specifically for the demands of the 'Fastest Known Time' crowd—runners who need technical storage, reliable chafe prevention, and long-mile durability on remote backcountry trails. Rabbit built this short to solve the gear-carrying conundrum without sacrificing the breezy feel of a standard 5-inch trail short. The standout feature of the FKT 5″ is its comprehensive waistband pocket layout. Similar to dedicated running belts, the waist features multiple stretch compartments alongside a rear zipper pocket. Reviewers note that this system easily secures energy gels, chews, headlamps, and even soft flasks flat against the center of gravity, minimizing vertical movement over rocky descents. The technical poly-spandex shell sheds light moisture and holds up well against pack rub. The trade-offs relate to complexity and price. With an intricate pocket structure, reinforced stitching, and a technical liner, the FKT 5″ feels slightly more substantial around the midsection than stripped-down road shorts. At roughly $75, it represents a focused investment for runners who plan to carry gear directly on their hips. **Highlights** - 5-inch inseam offering a versatile balance of mobility and thigh protection - Integrated multi-pocket waistband system designed for high-capacity trail storage - Rear zippered pocket locks down keys, identification, or nutrition securely - Technical stretch fabric handles deep strides and steep terrain - Comfortable, supportive liner built to resist long-haul chafing **Watch-outs** - Waistband is wider and bulkier than minimalist road alternatives - Can feel warm around the waist when all pockets are packed full
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Specs side by side
| Spec | AFO Middle Shorts | FKT 5″ |
|---|---|---|
| Shell Fabric | 88% recycled polyester, 12% elastane | — |
| Inseam Options | 3-inch and 5-inch | — |
| Liner Style | Micro-perforated internal brief | — |
| Storage | Single zippered back pocket | — |
| Approximate Price | $72 | $75 |
| Weight Class | Ultralight minimalist | — |
| Inseam Length | — | 5 inches |
| Liner Type | — | Integrated technical brief |
| Fabric Blend | — | Polyester and spandex stretch woven |
| Pockets | — | Multi-pocket stretch waistband plus rear zip |
| Best Environment | — | Technical trails, mountains, long-haul dirt |
What our reviewers liked and didn't
AFO Middle Shorts
- Ultralight AFO fabric dries rapidly and resists sticking to sweaty skin
- Micro-perforated brief liner provides excellent heat and moisture management
- Available in both 3-inch and 5-inch inseams to suit individual preferences
- Minimalist waistband stays secure without creating uncomfortable pressure points
- Single rear zip pocket is too small to securely hold modern smartphones
- Thin shell fabric is vulnerable to snags from thorny trail brush
- Premium price tag yields minimal integrated storage capacity
FKT 5″
- 360-degree waistband pockets securely distribute gear with minimal bounce
- Internal liner brief provides soft, dependable chafe protection across high mileage
- Technical poly-spandex shell resists abrasion from trail brush and hydration packs
- Dedicated zippered pocket keeps keys and critical small items locked down
- Wide, multi-layered waistband holds more heat in warm and humid weather
- Noticeably bulkier around the midsection than minimalist road running shorts
- Carrying heavy flasks requires tying the drawcord tightly to prevent sagging
Prices change constantly — the figure shown is the last verified catalog price, and the buy buttons always go to the current listing.