The official Summit Splitfest 2026 Tee! We went with the good stuff this season - Heavyweight cotton, midnight black. Proceeds go to support our non-profit backcountry safety and education partners, Friends of CAIC and Friends of Berthoud Pass . Size guide SHIRT LENGTH (inches) SHIRT WIDTH (inches) S 27 18 ½ M 28 20 ½ L 29 22 ½ XL 30 24 ½ 2XL 31 26 ½