The Boulder Gear Boy's Bolt Insulated Pants is the perfect protection from the bitter cold, while your little one is cruising down the slopes, playing in the snow, or shoveling the driveway. These snow pants are made with waterproof and breathable BG Ultracore™ fabric with lightweight polyester insulation for superior warmth. Enjoy the critically sealed seams that lock in heat, durable YKK® zippers, articulated knees for optimum freedom of movement, and inside lower leg snow cuffs that high abrasion. Additionally, these pants feature an adjustable waistband and Grow Cuff Technology that gives you the option of extending the leg length to grow with your little one. Attack winter head on with the Boulder Gear Boy's Bolt Insulated Pants!