Here is what the Highway Code says about clothing for cyclists
Rule 59
Clothing. You should wear
Rule 60
At night your cycle MUST have white front and red rear lights lit. It MUST also be fitted with a red rear reflector (and amber pedal reflectors, if manufactured after 1/10/85). White front reflectors and spoke reflectors will also help you to be seen. Flashing lights are permitted but it is recommended that cyclists who are riding in areas without street lighting use a steady front lamp.
The full lot and other bits can be read here for those interested
Rule 59
Clothing. You should wear
- a cycle helmet which conforms to current regulations, is the correct size and securely fastened
- appropriate clothes for cycling. Avoid clothes which may get tangled in the chain, or in a wheel or may obscure your lights
- light-coloured or fluorescent clothing which helps other road users to see you in daylight and poor light
- reflective clothing and/or accessories (belt, arm or ankle bands) in the dark.
Rule 60
At night your cycle MUST have white front and red rear lights lit. It MUST also be fitted with a red rear reflector (and amber pedal reflectors, if manufactured after 1/10/85). White front reflectors and spoke reflectors will also help you to be seen. Flashing lights are permitted but it is recommended that cyclists who are riding in areas without street lighting use a steady front lamp.
The full lot and other bits can be read here for those interested
The Highway Code - Rules for cyclists (59 to 82) - Guidance - GOV.UK
Rules for cyclists, including an overview, road junctions, roundabouts and crossing the road.
www.gov.uk