All the benefits of the classic Hydraform™ Handheld with added low profile storage and insulation sleeve! Ergonomic design allows hand to relax. Breathable AirFlow™ mesh and ultra soft inner. Easily adjusts to fit any hand size. Includes 10.5oz. bottle. All Amphipod bottles are recycling symbol #4 LDPE and are BPA-free.• Perfect 10.5oz. capacity • Thumb-lock™ sleeve design for grasp-free carrying • Ergonomic bottle eliminates hand tension • Integrated insulator sleeve - removable for cleaning • Adjustable strap for a perfect fit • Leak-free optimal flow spout • Great for hot & cold weather use