Final SALE: For safety reasons, we cannot accept returns on load-bearing Climbing equipment. Sorry for being so mean. Features of the Mammut Wall Rider Helmet EPP core combined with a partial Hard Shell Ergonomic interior with comfortable padding Large ventilation openings for good air circulation and heat discharge Ultra-lightweight, minimalist adjustment system All-round, fully adjustable chin strap for optimum Fit 2 clips on front and rubber loop on back for fixing a headlamp Fabric Details Weight: 195 g