Sleeveless Back and Chest Protection

The SIXS PRO Tech sleeveless has all the perspiration management qualities of SIXS UNDERwear garments, combined with the predisposition for the innovative back protection and chest front fall protection. Article of clothing approved for motocross and trial competitions, thanks to the CE certifications of the relative protections (CE EN 1621-2 PRO BACK, PRO BACK-S2 and CE EN 14021 PRO CHEST). Using the SIXS original carbon underwear ® technology, this product protects your skin from excessive perspiration and gives you top comfort and performance. Developed for sports training and competition, it can be used both in the summer and in the winter. Seamless design to enhance comfort. To be used without any underwear - a feature shared by the whole PRO Tech range.



S - SL - M - LXL


  • Off-road
  • Sports Motorbikes
  • MTBFreeride
  • Skateboard

For those sports where impacts are a common occurrence, it is essential to combine the comfort given by dry skin with the safety of being protected. This is the lightest and least invasive basic garment in the market. Suitable and CERTIFIED by FIM and FMI for motocross, trial and speed. It can also be used on the snow or in MTB or for Downhill. On the back, you will find the back protection: it is light, versatile and flexible, but rigid and protective when needed. Predisposition for a front fall protection as well. Children sizes also available (SIXS KIDS). The variant without front protection is called PRO SMX S. For snowboarding, there is a specific version with abdominal elastic band, turtleneck and back protection in separate pocket (in order to improve perspiration on the back). The pocket is fixed to the shoulders and to the stretch band, and guarantees that the protective element is always in line with the spine: PRO SM2 S. The most complete model with adjustable abdominal elastic band, back protection in separate pocket, front zipper to wear the garment as a jacket (for motorcycle or bicycle off-road riding) is called PRO SM9 or PRO SM9 S in the version without chest protection.

Other pictures

  • PRO SMX without PRO Chest

Details PRO SMX

Carbon Underwear Fabric

SIXS products do not make you feel hot but you do not feel cold with them!

Back protection at the TOP

CE EN 1621/2 type-approved protections of 2 types: SAS-Tec (yellow colour) level 2 - the maximum level - type-approved and D3O (orange colour) level 1 type-approved. They comply with the regulations in force during all kinds of competitions that require the use of back protection.

Type-approved Pro Chest

The chest protection is CE EN 14021 type-approved; therefore, it complies with the F.M.I. and F.I.M. regulations to be used in Motocross, Enduro, Trial, Supermoto and Snowmobile competitions.

Washing and Care

Tips for maintenance of the product - you need to remove the protections from the slots (you can wash them with a wet sponge without detergent).


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