€ 209
Sizes table
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Size guide
Chest 87-93 93-100 100-106 106-112 112-118
Waist 75-81 81-88 88-94 94-100 100-106
Hips 88-94 94-101 101-108 108-115 115-122
Aerofit Cut and fabrics are studied in every cm2 to minimize aerodynamic friction.
2 Way Breathable Fabrics designed for maximum ventilation and heat dissipation.
Racefit Race fit, narrow waist and elastic compression for maximum performance.
ultralight Use of ultralight materials: you won't even feel it.

Ultra-tight and ultra-aerodynamic fabric, the body AEROSUIT Timetrial (TT) Long Sleeves (LS) is the result of the hours spent in the Wind Tunnel to study, compare, test the best solutions. Long sleeves seamless and without back pockets, it is the ultra-performing garment for those who run against time and in high-speed competitions, on the road and on the track. The real hardskinner looks for the best performance without compromise and this areosuit is the fastest and absolute: the top of the range for performance and study of materials. Your second skin on.

2.5% to 5% more efficient than competitors in the Wind Tunnel Developed for races against time and high speeds (TT) Ideal for races under one hour Aerodynamic fabrics and sculpted shape around the body in race position Aero Crono Cut Aero Stripes sleeves inserts (AS) Torso Speed Fabric (SF) Elastic Gradual Compression (EGC) short Vapor pad (VP) Breathable and damping Seamless long sleeves (LS) Fragment graphics by Jonny Mole Design

The body AEROSUIT TT LS was born from the development of an idea born at the London Olympics 2012, when the British cycling won 8 gold medals thanks to the theory of the Marginal gain by Dave Brailsford, that makes the care and attention to detail the focus of the improvement of the result. From here the technical team of Hardskin has started today’s research to develop an aerodynamically effective and performing garment. The result is surprising.

The aerodynamic and wrinkled Aero Stripes fabrics in the arms, legs and shoulders, the meticulous attention to detail and the Aero Crono cut, with no back pockets and long sleeves, make the bodysuit the excellence for the R&D department of Hardskin.

The front and rear parts are made of Speed Fabric, a type of heat-treated and silky fabric, designed for aerodynamic efficiency and higher performance.

The shorts in Elastic Gradual Compression (EGC), the fabric created to support the muscles of the hardskinner in race position, and the outer back and breathable Vapor pad complete the body offering the right comfort, the vibration absorption and breathability you’ve always been looking for. Just because ultra-tight, it is recommended to buy a bigger size than usual. You are now ready to cross the finish line in record time.

Wind @ 50km/h

Our products have positively passed the Wind Tunnel tests in comparison with the main top of the range long-sleeved leotards of our competitors.
The graph shows that of all the long-sleeved products tested, the Strouhal AEROSUIT TT LS is 2.5 to over 4.5% more efficient and aerodynamic, and the Von Kármán AEROSUIT TRI SS short-sleeved triathlon leotard is aerodynamically more efficient than nearly all the competitors’ long-sleeved leotards considered.

Drag reduction
Strouhal Aerosuit TT LS Competitor 1 Competitor 2 Competitor 3 Von Kármán Aerosuit TRI SS Competitor 4
Aero Stripes (AS)

The Fabric Aero Stripes is designed for the fastest race conditions. Wrinkled and able to create an effect similar to the dimples on the golf ball, it acts directly on the boundary layer and the air is able to remain attached to the surface much longer, creating a narrower trail downstream and thus reducing drag, that is the aerodynamic losses, clearly improving the aerodynamics of the athlete.

Speed Fabic (SF)

The Speed Fabic fabric is designed to perfect the aerodynamic properties of some yarns.
It mechanically influences the texture of the fabric making it more compact and smooth surface, similar to a silk effect. Higher speed for a material that leaves the moisture absorption capacity unaltered.

Vapor Pad (VP)

Vapor Pad VP is the technology that allows us to have shorts so highly performing.
We have chosen to differentiate ourselves and to subvert every rule, researching, studying, testing and giving life to a unique technology in the field. We specialize in performance study, millimeter fit, perfect adjustments and marginal gain. Vapor Pad VP technology is the result of this research method that has allowed us a product as light as steam, but with a unique damping effect in the industry.

Washing&Care Wash at 30° and without bleach: do not use iron and do not dry clean! Look closely at the label of each garment. By following the washing instructions, make sure your Hardskin product works as smoothly and for as long as possible.
The understanding with jonny mole All Hardskin products are designed and developed for those who do sports and those who do sports and are the result of a mix of skills and experiences. On the one hand science and performance with fabrics, cuts, seams that are the result of research and studies of our engineers in the Wind Tunnel. On the other Jonny Mole, the design touch behind Hardskin. A winning project always brings with it an intuition. That’s why Hardskin has intuited an opportunity and translated it into an understanding: the one with Jonny Mole, for over 20 years has signed design and sports communication in Italy and around the world. Cittadella’s studio (PD) created the garments for the race and casual collection, doing justice to the brand’s contemporary spirit through a surprising balance of performance and fashion.


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