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Generally lighter clothing reflects more heat, however some advanced micromesh fabrics can shade while allowing air to cool the skin.

Yes, pretty much, although this depends on where you live. Spring and autumn share some similarities in that the weather can be very changeable with a wide range of weather possibilities - keeping comfotable can be trickier than in summer or winter.

A cool summer / mesh base layer can help insulate your body from the heat of summer. Although it may seem counterintuitive to add an extra layer, they do help keep you cooler. A summer base layer can also absorb sweat and keep you feeling fresher for longer.