The Boulder Gear Cooper Insulated Ski Bib will keep them warm and dry as they fly down the slopes. The BG Ultracore Protection provides a 10K waterproof rating and critically taped seams with 80g of insulation to keep them warm and dry in winter conditions. The bib style pant has adjustable shoulder straps, an adjustable waist, and boot gaiters that create a customized fit that will ensure no snow gets inside. The Cooper Bib has durable scuff guards and Boulder Gear's Grow Feature for multi season use.