Cold water is excellent for your legs' health and well-being: it narrows your capillares, re-activates circulation, stimulates your tissues and firms your skin.
In the shower: Spray a jet of cold water 10cm from your body over your legs, from your big toe to the inner knee and then to the back, down to your ankle.
In the bath: Sit in an empty bath with your legs out in front of you and spray your legs with cold water in a back and forwards movement from your ankles to your thighs. Stop when the water covers your thighs or - if you can take it - goes up to your waist.
On the beach Walk in the water - it's really good for you! Take a walk along the coastline with the water at ankle, knee or thigh-height, depending on how you feel. Cold salty water reactivates the circulation and tones your legs, while the movement and resistance is excellent for your legs and massages them in the water.