Designed for those who've got the skills, just not the size (yet), the Rossignol ALIAS is the perfect true-twin freestyle snowboard for progressive young riders. Our AmpTek Auto-Turn profile combines slight camber between the inserts for stability and edge grip, with higher tip and tail rocker, providing incredible ease-of-use, smooth full-length grip and no-catch edge control. Effortless Mobility and Float - AmpTek Auto-Turn Rocker provides incredible maneuverability, catch-free feel and instant floatLively Pop, Easy Control - Twin Freestyle flex adds pop and balance for easy freestyle controlPlayful Freestyle Progression and Forgiveness - Softer symmetrical flex offers easy manipulation and enhanced board controlSustainability - 100% of Rossignol's wood snowboard cores originate from sustainably harvested forests• Base Density: 4400 Extruded• Base Details: 3032 (130), 3215 (135), 3533 (140), 3695 (145)• Core: Wood 4515• Flex: 3/10• Insert Setback: Centered - Centered - Centered - Centered• Inserts Number: 5*2• Rocker Camber: Amptek Auto-Turn• Shape: Twin• Sidecut: Single Radius• Waist: 23cm - 23.2cm - 24.4cm - 24.6cm• Boot Size: 27 to 29cm max• Radius: 6.9m - 6.5m - 6.4m - 6.7m• Stance Width Min Max: 42 to 50cm - 44 to 52cm - 46 to 54cm - 48 to 56cm• Suggested Weight: 25 to 60kg / 50 to 130 lbs Sizes 130 135 140 145 Waist 23CM 23.2CM 24.4CM 24.6CM Snow Stance Width 42 TO 50CM 44 TO 52CM 46 TO 54CM 48 TO 56CM Snow Insert Setback CENTERED CENTERED CENTERED CENTERED Radius 6.9M 6.5M 6.4M 6.7M | Rossignol Alias Kid's All Mountain Snowboard 140 | The House