Spring is when I swap out my winter straps for lighter colors with caoutchouc linings. I live in a climate which is sunny, hot and humid so rubber lined straps are the way to go in summer. 
This one is rubber backed canvas compare to the winter alligator. 
I have a caoutchouc lined taurillon leather strap for my Zeitwerk. 

and a caoutchouc lined leather strap from Camille Fournet for my Duometre which contrasts with the dark alligator winter strap. 


With Moser I go for the light kudu strap over the Matt black alligator in winter 

and a pop of orange works with my GMT-6

and a caoutchouc lined Himalaya alligator for my Lange Annual.