Specifications: The color of the pants changes with the change of temperature. Below 30 celsius degrees are orange/blue/purple, and above 30 celsius degrees will become yellow/green/blue. This pair of shorts is made of soft, breathable fabric to provide a comfortable feeling. With waist drawstring, you can adjust for an appropriate size. It's suitable for travel, beach, lounge wear, daily wear, etc. Type: Shorts Size Type: Regular Gender: Men Material: Nylon, Polyester, Spandex Style: Casual Garment Care: Hand Wash Features: Drawstring, Elastic, Temperature Sensitive, Changing Color Size Details: [Our Size S] Waist: 73cm-79cm/28.7"-31.1", Hip: 102cm/40.2", Thigh: 64cm/25.2", Length: 37cm/14.6" (Approx.) [Our Size M] Waist: 77cm-83cm/30.3"-32.7", Hip: 106cm/41.7", Thigh: 66cm/26", Length: 38cm/15" (Approx.) [Our Size L] Waist: 81cm-87cm/31.9"-34.3", Hip: 110cm/43.3", Thigh: 68cm/26.8", Length: 39cm/15.4" (Approx.) [Our Size XL] Waist: 85cm-91cm/33.5"-35.8", Hip: 114cm/44.9", Thigh: 70cm/27.6", Length: 40cm/15.7" (Approx.) [Our Size 2XL] Waist: 89cm-95cm/35"-37.4", Hip: 118cm/46.5", Thigh: 72cm/28.3", Length: 41cm/16.1" (Approx.) [Our Size 3XL] Waist: 93cm-99cm/36.6"-39", Hip: 122cm/48", Thigh: 74cm/29.1", Length: 42cm/16.5" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Shorts Please contact us to better resolve any issues before leaving neutral or negative feedback. If you have any questions, please contact customer service. The color of the pants changes with the change of temperature. Below 30 celsius degrees are orange/blue/purple, and above 30 celsius degrees will become yellow/green/blue. This pair of shorts is made of soft, breathable fabric to provide a comfortable feeling. With waist drawstring, you can adjust for an appropriate size. Its suitable for travel, beach, lounge wear, daily wear, etc.