Key Features 5Flex Stretch Fabric 5FLEX stretch shell with a new material offers 10K/10K waterproof breathable protection with flexibility for optimal range of motion YKK Zippers YKK Aquaguard water-resistant zipper with wind guard for ultimate protection against the elements Built-in Knee Pads Built-in knee pads offer impact protection, while 3/4 leg zips and boot gaiters allow for easy on and off Snowmobile Tether Ring Snowmobile tether ring built-in, for easy tethering to your snowmobile Zippered Pockets Zippered chest and internal pockets for essentials Evolve Mono Suit Shell Take on the mountain with the all-new 509 Evolve Mono Suit Shell—designed for aggressive riders who demand top-tier performance and protection. Featuring the advanced 5Flex Laminate Shell, it delivers 10K/10K waterproof breathability, ergonomic mobility, and reinforced knee zones with built-in pads for impact and heat protection. Built for freedom, durability, and all-day backcountry adventures. TECHNOLOGY FEATURES & SPECS Key Features 5FLEX stretch shell with a new material offers 10K/10K waterproof breathable , impact and tear resistant protection with flexibility for full range of motion Fully Seam taped with reinforced seams paired with C0 DWR (PFAS-free) elevate water shedding performance keeping you dry and warm all season long YKK® aquaguard zipper Arm pocket with goggle sham and wrist gaiters New 300 gsm Aurora waffle fleece insulation keeps your seat dry and warm allowing all day comfort even in the wettest conditions Ergonomic and anatomical patterning for optimal fit with reinforced knees and lower hem add durability and protection for big hop-over moves Built-in knee pad protect from impact and heat on front and inside of knee while 3/4 leg zips and boot gaiters offer easy on and off Core zippered vent Cathedral hand warmer pockets for extra storage Zippered chest and internal pockets for essentials Internal suspenders Fixed alpine hood Snowmobile tether ring WARNING for California Residents Specs Material: 5FLEX Style: Shell Insulation: Non-insulated Riding: Backcountry Size GuideClose You're going to LOVE the fit. Try it on and experience our perfect fit. If you don't love it, send it back in new and unused condition within 30 days for an exchange or full refund*. Risk free. Not sure about your size? Try on at your local dealer! Men's X-Small Small Medium Large X-Large 2X-Large 3X-Large Chest 34 - 36 36 - 38 39 - 41 42 - 44 45 - 47 48 - 50 52 - 54 Sleeve 27 28 30 32 34 36 36 Waist 30 32 34 36 38 40 42 Inseam 29 30 31 32 33 34 34 Short Inseam 29 29 30 30 31 31 31 Tall Inseam 34 34 35 35 36 36 36 Women's X-Small Small Medium Large X-Large 2X-Large 3X-Large Numerical 0-2 4-6 8-10 12-14 16 18 20 Chest 31-33 33-35 35-37 37-39.5 40-42.5 43-45.5 46-49.5 Sleeve 24 26 28 30 32 34 36 Waist 24-26 26-28 28-30 30-33 33-37 37-41 41-45 Hips 34-36 36-38 38-40 40-42.5 43-45.5 46-48.5 49-52.5 Inseam 32 32 32 32 32 32 32 Short Inseam 30 30 30 30 30 30 30 Tall Inseam 34 34 34 34 34 34 34 YSM YMD YLG Youth Age 8 10 12 Height 50-54 54-58 58-62 Weight (lb) 48-68 65-87 85-100 Weight (kg) 22-31 28-39 39-45 Chest 24.5-26.5 26.5-28.5 28.5-31.5 Natural Waist 22.5-24.5 24.5-26.5 26.5-28.5 Hip 25-28 28-30.5 30.5-33 EU 128/134 140/146 152/158 Get the Look