Alpinestars Bib Tights Prothermal protection and excellent comfortWith windproof fabric inserts and thermal insulation, the Bib Tights Pro by Alpinestars are the perfect combination of protection, warmth, and moisture wicking material. The innovative stretch thermal lycra fabric features a soft brushed poly layer on the rear and internal sides to provide a comprehensive compression fit while still retaining warmth. Lower leg zippers let you acclimate to changes in the weather, and soft elastic silicone bands on the interior leg cuffs prevent shifting while you pedal. The multi-density Stealth chamois seat padding absorbs saddle vibrations while improving overall comfort and breathability.FeaturesMulti-density Stealth chamois provides hours of comfort and vibration dampingReflective zip opening on hem keeps you seen in low light conditionsWindproof fabric inserts keeps legs warm and insulated while still dry and breathableAlpinestarsMENS SIZE CHARTSize32343638Waist (cm)80-8484-8888-9292-96Inseam (cm)79-8081-8283-8485-86Thigh (cm)56-5758-5960-6162-63Hip (cm)95-9999-103103-107107-111Waist - Measure around the natural waist line, inline with the navel, keeping the tape horizontalInseam - Stand against a wall, ask someone else to measure from the crotch to the bottom of your legThigh - Measure around the thigh just below the crotch to the bottom of your legHip - Measure around the fullest part of your hips, about 20cm below waist line, keeping the tape horizontal