AstonSienna Apex Performance Training Shorts
The AstonSienna Apex Performance Training Shorts are engineered for movement, versatility and all-day comfort. Designed for active lifestyles and modern athleisure wear, these lightweight performance shorts combine technical functionality with a clean athletic aesthetic that transitions effortlessly from training sessions to everyday life.
Crafted from a premium stretch-woven fabric blend, these men’s training shorts feature a comfortable regular fit, secure drawstring waistband and mobility-enhancing side slits that allow unrestricted movement through every workout. Whether you’re hitting the gym, powering through a run or embracing an active day outdoors, these shorts are built to keep pace with your lifestyle.
Lightweight, breathable and exceptionally versatile, the AstonSienna Apex Performance Training Shorts deliver modern performance without compromising comfort or style.
Model Information
Model: Liam
Height: 188cm / 6’2″
Size Worn: L
Designed with a regular athletic fit that provides comfort, mobility and a clean performance silhouette.
Designed For
- Gym training
- Running
- Cardio workouts
- Strength training
- Walking
- Travel
- Athleisure wear
- Everyday active lifestyles
Why We Designed This
We designed the Apex Performance Training Shorts to deliver lightweight comfort and unrestricted movement for men who live actively. From intense workouts to casual weekends, the stretch performance fabric and functional athletic details ensure comfort and versatility wherever the day takes you.
Fit & Feel
- Regular athletic fit
- Straight leg profile
- Mid-rise waistband
- Comfortable stretch feel
- Lightweight construction
- Smooth performance fabric
- Side slit mobility
- All-day comfort
Fabric Details
- 89.6% Polyester
- 10.4% Spandex
- 140 GSM Performance Fabric
- 4.1 oz Fabric Weight
- Lightweight Construction
- Moderate Breathability
- Flexible Four-Way Movement
- Smooth Athletic Finish
The advanced stretch-woven fabric provides lightweight comfort, flexibility and durability while maintaining a clean athletic appearance throughout the day.
Performance Features
- Adjustable drawstring waistband
- Elastic comfort waist
- Functional side pockets
- Athletic slit hem design
- Stretch performance fabric
- Breathable comfort
- Bermuda length coverage
- Quick-drying performance feel
- Lightweight construction
- Designed for unrestricted mobility
Size Guide (CM & Inches)
Centimetres (CM)
| Size | Outer Length | Inner Length | Waist | Hip |
|---|---|---|---|---|
| S | 33 | 28.5 | 35.5 | 50 |
| M | 34 | 29.5 | 37 | 52 |
| L | 35 | 30.5 | 38.5 | 54 |
| XL | 36 | 31.5 | 40 | 56 |
| 2XL | 37 | 32.5 | 41.5 | 58 |
| 3XL | 38 | 33.5 | 43 | 60 |
| 4XL | 39 | 34.5 | 44.5 | 62 |
Inches
| Size | Outer Length | Inner Length | Waist | Hip |
|---|---|---|---|---|
| S | 12.99 | 11.22 | 13.98 | 19.69 |
| M | 13.39 | 11.61 | 14.57 | 20.47 |
| L | 13.78 | 12.01 | 15.16 | 21.26 |
| XL | 14.17 | 12.40 | 15.75 | 22.05 |
| 2XL | 14.57 | 12.80 | 16.34 | 22.83 |
| 3XL | 14.96 | 13.19 | 16.93 | 23.62 |
| 4XL | 15.35 | 13.58 | 17.52 | 24.41 |
Fit Tip: Designed with a regular athletic fit. Choose your usual size for a performance fit or size up for a more relaxed athleisure look.
How To Measure
- Waist: Measure around the narrowest part of your waistline.
- Hip: Measure around the fullest part of your hips.
- Outer Length: Measure from the top of the waistband to the hem.
- Inner Length: Measure from the crotch seam to the hem.
Care Guide
- Machine wash at 30°C on a gentle cycle
- Wash with similar colours
- Do not bleach
- Tumble dry low
- Iron on low temperature if required
- Avoid direct heat on trims
- Do not dry clean
Shipping & Delivery
Every AstonSienna piece is carefully crafted and prepared following your order to ensure exceptional quality and attention to detail.
- Production Time: 3-7 Business Days
- Shipping Time: 6-15 Business Days
- Tracking Included
- Worldwide Delivery Available
- Quality Checked Before Dispatch
Styling Notes
Pair the Apex Performance Training Shorts with AstonSienna performance tees, training tanks or lightweight outerwear for a complete athletic look. Their clean silhouette and versatile design make them equally suitable for workouts, travel and casual weekend wear.
Built to move with you, these premium shorts offer effortless versatility for every season.
Recommendations
Complete your AstonSienna performance collection with:
Pair with premium performance tops, running essentials and training apparel for a complete AstonSienna athletic wardrobe.












Lucas –
Fits as expected. Would wear this again.
Ethan –
Really happy with the fit and feel. Very comfortable.
Daniel –
Happy with the fit.
Ben –
Nice and comfortable. Really happy with it.
Cooper –
Very The material feels good. Would wear this again.
James –
So far, Easy to wear.