Poleyster mesh lining wicks moisture away from your foot and features an antimicrobial treatment to cut down on foot funk Padded gusseted tongue provides a comfortable feet and keeps out trail debris Abrasion-resistant heel and toe bumpers protect your feet Ortholite footbed provides cushioning and support Merrel Air Cushion in the heel absorbs shock and adds stability Vibram sole with 6mm lugs provides superb traction over rough, slippery terrain. Great boot for hiking or backpacking. Boots are in like New condition.