Why We Love It
The Surpas Aero 4 Speedsuit LD is Surpas's long-course race suit, built around textured aero panelling across the shoulders and thighs to cut drag in the riding position. It's designed to go from swim to bike to run without a change, built for racing rather than training.
Talk Nerdy To Me
The suit's aerodynamic shaping comes from two distinct textured zones: a golf-ball-style structure across the shoulders and a ribbed stripe pattern down the thighs, both developed to manage airflow in the riding position. The torso panel carries a hydrophilic treatment that draws water off the fabric surface once you're out of the swim, and the sleeves and thigh panels run longer than a standard cut to keep seams away from points of repeated friction on long rides.
Padding comes from Surpas's Hybrid Cell System, built by Elastic Interface in Italy and certified to Oeko-Tex Standard 100 for skin contact. It's shaped and positioned specifically for riding on a noseless saddle, giving support through the sit bones without the bulk of a standard cycling chamois, so it carries through comfortably into the run without needing to be removed.
Fast Facts
- Targeted materials for reduced aero drag
- Hydrophilic-treated torso fabric for quick drying
- Hybrid Cell System chamois by Elastic Interface
- Chamois shaped for noseless tri-bike saddles
- Extended-length sleeve & thigh panels to reduce chafing
- Extremely tight, race-specific fit
- Designed & tested in Norway for long-distance triathlon
| SIZE GUIDE | |||||
| Size | Height (cm) | Chest (cm) | Waist (cm) | Hip (cm) | Inseam (cm) |
| XS | 165–172.5 | 84.5–90 | 72–77 | 87.5–92 | 77.5–81.5 |
| S | 172.5–177 | 89–95 | 77–83 | 91–97 | 82–84 |
| M | 177–181 | 95–101 | 83–89 | 97–103 | 84–86 |
| L | 181–185 | 101–107 | 89–95 | 103–109 | 86–88 |
| XL | 185–189 | 107–113 | 95–101 | 109–115 | 88–90 |
| XXL | 190+ | 113–119 | 101–107 | 115–121 | 90–92 |
| 3XL | 190+ | 119–125 | 107–113 | 121–127 | 90–92 |
| ST | 180–185 | 89–95 | 77–83 | 91–97 | 86–88 |
| MT | 185–189 | 95–101 | 83–89 | 97–103 | 88–90 |
| LT | 189–193 | 101–107 | 89–95 | 103–109 | 90–92 |
| XLT | 193–197 | 107–113 | 95–101 | 109–115 | 92–94 |
Measurements are a guide only, in centimetres. If you're between sizes, we recommend sizing up for a comfortable fit.
🇦🇺 Australia
- FREE shipping on orders $129+ AUD (after discount codes are applied)
- Orders under $129: Shipping calculated at checkout
🇳🇿 New Zealand
- FREE shipping on orders $150+ NZD (after discount codes are applied)
- Orders under $150: Shipping calculated at checkout
- Customers are responsible for covering customs charges
🌍 International
- Shipping calculated at checkout
- Customers are responsible for covering customs charges
⚡ Express Shipping
- Available for all destinations
- Calculated at checkout
- Customers are responsible for covering customs charges for international orders
Same Day Dispatch: Orders placed before 12 PM (AEST/AEDT, Melbourne AU time) on weekdays are usually dispatched same day*. Orders placed after this cutoff will head out the next business day.*This is a guideline, not a guarantee. While we do our best to ship orders out on time, dispatch may be delayed during peak periods, sales events, or due to unexpected courier or warehouse issues.
Delivery Times - Australia: Standard shipping takes 3-9 business days. Need it faster? Choose Express at checkout.
Please Note: Delivery times may vary due to public holidays and other factors beyond our control. Check current shipping estimates here.
30-Day Policy
Easy returns and exchanges within 30 days of delivery (excluding items listed below).
Tech Item Exception:
Watches, FORM goggles, headphones, heart rate monitors, recovery boots and similar tech items can only be returned if they are in their original packaging with the seal intact (unopened and unconnected). Unless faulty or covered by warranty.
Personal Care / Hygiene Items:
For hygiene and safety reasons, change of mind returns and exchanges are not accepted for personal care/hygiene items, including socks, underwear and swimwear (even if they are not marked as Final Sale). Unless faulty or covered by warranty.
Final Sale Items
Items marked as FINAL SALE cannot be returned or exchanged unless faulty or covered by warranty.
Gift Purchases
Buying a gift? Contact us at purchase to request an extended return period.
Need Help?
Full return policy details and process here.
Request a return here.
Same day dispatch before 12pm AEDT/AEST*
Aussie owned and operated
Athlete support & in-house Dietitian
Free Shipping for orders over A$129*