Wearing some of Pearl Izumi's most compression cycling shorts Interval Shorts use more form-fitting Lycra muscle than any other shorts in this line which allows you to fight fatigue immediately as soon as you put them on. Most of it What makes these shorts so special is the sophisticated seven panel design which uses elastic and supportive Elite Transfer In-R-Cool fabric which moves smoothly with you in the saddle It also wicks moisture and is breathable. exceptionally good. This fabric as the name suggests, has cooling properties allowing you to regulate the temperature when you sweat while climbing. Besides Elite Escape 1:1 floating suede upper layer reduces friction and vibration from the road providing soft and comfortable comfort where you need it.