Comfortable and ergonomic from birth to toddler (8 lbs - 65 lbs)
• Seat width and adjustable back height along the waist
• Folding pannel stuffed to adjust the support of the back and the head: adjustable in 2 heights
• Adjustable multi-positioned padded shoulder straps
• Soft and stretchy adjustable head support
• 3 carrying positions; tummy to tummy, on the hip, on the back
• Semi-rigid belt with a contoured shape for hip comfort
• Storage pouch on the belt
Overall level of learning: Easy
User guide for Trek evo and Trek evo Air-O
