Youth / 35F/2C Boys will appreciate this all-season sleeping bag. Rated to 35 degrees and filled with HeatSync insulation, the Big Dog packs warmth and comfort into a cool-looking bag. The ergonomic hood and draft tube retain heat and a tricot-lined foot box provides additional insulation for feet. Offset Layer Construction. Ergonomic Hood and Foot Box. Microfleece Lined Foot Box. Tuck Stitch. Pillow Pocket. Chest Pocket. Integrated Storage Sack. Trail Weight: 2 lbs 6 oz. Fits Up To: 5'. Zipper Side: Left. Fill Weight: 16 oz. Stuff Size: 7’’ x 17’’. 75d Polyester shell material.