Incorporating an evolved chassis constructed from an innovative, advanced fiberglass compound for improved performance, the Fluid Pro is a versatile, fully CE certified knee brace. Designed for the stresses of off-road riding, the Fluid provides support and helps protect from hyperextension in the event of a crash. Lightweight, ventilated and highly customizable this brace offers a personalized and secure fit.
- Constructed from an evolved and advanced fiberglass compound for light, strong frame that retains strength and performance even in extreme temperatures.
- Incorporating DEFT – Dynamic ErgoFit Tech – an innovative, reduced material design construction for improved weight-saving and excellent ergonomic performance.
- Innovative knee pivot system incorporates tool-free poly-centric hinge system for fast, easily exchangeable extension stops (0, 5, 10, 15 and 20 degrees) to prevent hyperextension injuries.
- Ergonomically sculptured and ventilated knee cup system constructed from semi-rigid TPU for durability, backed by shock-absorbing PU memory foam for comfort.
- Highly ventilated, channeled padding and mesh zones for superb airflow cooling.
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Alpinestars Size Chart
* Sizing information is provided by the manufacturer and does not guarantee a perfect fit.
|SIZE||A CHEST (IN)||B WAIST (IN)||F ARM (IN)||U.S PANT SIZE||C HIP (IN)||D THIGH (IN)||E INSEAM (IN)|
|M||35 3/8 - 37||29 7/8 - 31 1/2||21 5/8 - 22||32||37 3/8 - 39||22 - 22 1/2||31 1/28- 31 1/2|
|L||36-39||32 1/2 - 34||22 1/2 - 22 7/8||34||39 - 40 1/2||22 7/8 - 23 1/4||31 7/8 - 32 1/4|
|XL||40 1/8 - 41 3/4||34 5/8 - 36 1/4||23 1/4 - 23 5/8||36||40 1/2 - 42 1/8||23 5/8 - 24||32 5/8 - 33 1/8|
|XXL||41 3/4 - 43 1/4||36 1/4 - 37 3/4||24 - 24 3/8||38||42 1/8 - 43 3/4||24 3/8 - 24 3/4||33 1/2 - 33 7/8|
|XXXL||44 7/8 - 46 1/2||39 1/4 - 41||24 3/4 - 25 1/4||40||43 3/4 - 45 1/4||25 1/4 - 25 5/8||34 1/4 - 34 5/8|
|XXXXL||46 1/2 - 48||41 - 42 1/2||25 5/8 - 26||42||45 1/4 - 46 7/8||26 - 26 3/8||35 - 35 3/8|
How to measureCHEST
Measure around the fullest part, under the armpits, keeping the tape horizontal.
Measure around the natural waist, inline with the navel, keeping the tape horizintal.
Measure from shoulder (Humerus) to wrist
Measure around the fullest part of your hips, about 20cm below waist line, keeping the tape horizontal.
Measure around the thigh just below the crotch, keeping the tape horizontal.
Stand against a wall, ask someone else to measure from the crotch to the bottom of your leg
The most important helmet fitting aspect to consider before determining helmet size is helmet shape. The shape of the rider's head plays a crucial role in selecting a proper fitting motorcycle helmet. All helmet manufacturers design their lids to fit a specific head shape. These often range across three primary designations - long oval, intermediate oval, and round oval.
- Long Oval - Shaped for a head which is longer front-to-back (from forehead to the back of the skull) than it is side-to-side (ear to ear).
- Intermediate Oval - Shaped for a head which is slightly longer front-to-back than it is side-to-side. Most motorcycle helmets will fall into this category as it is the most common head shape; if a helmet does not state its shape, this is usually it.
- Round Oval - Shaped for a head which has almost identical front-to-back and side-to-side measurements.
Once the head shape is determined, it is easier to filter the enormous selection of available motorcycle helmets down to a smaller, more appropriate list of those which will fit the rider's head. Now it is time to find the correct size of the motorcycle helmet.
Helmet Safety Standards
DOT Helmet Standard: This stands for “Department of Transportation,” (not “doin’ our thang”) but the standard is FMVSS 218, the Federal Motor Vehicle Safety Standard #218, Motorcycle Helmets, and it is applicable to helmets sold in the U.S. for on-road use.
ECE 22.05 Helmet Standard: ECE stands for “Economic Commission for Europe,” which was created under a United Nations agreement in 1958. The 22.05 part refers to the specific regulation that the standards for testing are described in.
Snell (Snell Memorial Foundation M2010) Helmet Standard: The Snell Memorial Foundation is a private, non-profit organization formed in 1957 dedicated to improving helmet safety. Snell goes beyond the governmental standard-setting approach and is available to assist manufacturers with helmet development by offering prototype testing.
What is MIPS technology? MIPS stands for Multi-directional Impact Protection System, which is a leading slip-plane technology inside the helmet designed to reduce rotational forces that can result from certain impacts. MIPS has been developed by leading brain surgeons and scientists to reduce the rotational forces on the brain caused by angled impacts to the head.