Push your limits while padding the impact with this lightweight fill snow pant. The Grom delivers essential performance and added insulation to reduce the need for excess layering, offering up a free-feeling ride. Boys Outerwear Pants. Fabric: 2L Dobby. 10K Waterproof / 10K Breathable. Insulation: Polyfill 40gr. Lining: taffeta at legs, brushed tricot seat panel. Critically taped seams. External waist adjustment. Zippered hand pockets. Waterproof boot gaiters. Inseam Length: 28 inches for size M. Weather Resistance Performance Scale: Performance. Heat Scale: Lightweight. Core Fit: a roomier A relaxed, straight leg fit provides maxi comfort and mobility.