Below that it looks like they are testing different (short sleeve) skinsuits - a Katusha sports one and a Bioracer one.
Arm positions too - 1cm spacer and arm pads 2cm closer together.
Yeah - that looks like the two above the highlighted row
@Brommers started
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Below that it looks like they are testing different (short sleeve) skinsuits - a Katusha sports one and a Bioracer one.