It is disliked to offer salat in a garment with markings
حَدَّثَنَا حَرْمَلَةُ بْنُ يَحْيَى، أَخْبَرَنَا ابْنُ وَهْبٍ، أَخْبَرَنِي يُونُسُ، عَنِ ابْنِ شِهَابٍ، قَالَ أَخْبَرَنِي عُرْوَةُ بْنُ الزُّبَيْرِ، عَنْ عَائِشَةَ، قَالَتْ قَامَ رَسُولُ اللَّهِ صلى الله عليه وسلم يُصَلِّي فِي خَمِيصَةٍ ذَاتِ أَعْلاَمٍ فَنَظَرَ إِلَى عَلَمِهَا فَلَمَّا قَضَى صَلاَتَهُ قَالَ " اذْهَبُوا بِهَذِهِ الْخَمِيصَةِ إِلَى أَبِي جَهْمِ بْنِ حُذَيْفَةَ وَائْتُونِي بِأَنْبِجَانِيِّهِ فَإِنَّهَا أَلْهَتْنِي آنِفًا فِي صَلاَتِي " .
'A'isha reported: The Messenger of Allah (ﷺ) stood for prayer with a garment which had designs over it. He looked at these designs and after completing the prayer said: Take this garment to Abu Jahm b. Hudhaifa and bring me a blanket for it has distracted me just now.