Q36.5 Summercap L1 Y Black Cap The new graphics of this garment offer us a renewed version of a classic. The traditional summer cap (cotton) has been improved by Q36.5 through the use of a very light polyester fabric and the insertion of two mesh panels on the sides that allow a perfect fit. Q36.5 Summercap L1 Y Black Cap The new graphics of this garment offer us a renewed version of a classic. The traditional summer cap (cotton) has been improved by Q36.5 through the use of a very light polyester fabric and the insertion of two mesh panels on the sides that allow a perfect fit. The polyamide front band favors the intense expulsion of sweat and a "zero level" of skin irritation.