Known for quality and innovation, Otter has reinvented the flip over style thermal shelter. The new X-OVER SHELTER SERIES are rich with cutting edge design and engineering features that will enhance any ice fishing experience. Large 35 sq.ft. shelter comfortably holds up to four anglers. Patent Pending Otter Thermal-Tec Triple Layer Insulated Shell 600-Denier triple layering system blocks wind. Quilted thermal inner shell locks in warmth and reduces condensation. Flip-Up Deluxe Padded Bench Seating System. Front Entry Door with Dual Coil Zippers. 100% RotoMolded Otter XT Sled Features Molded-In Hitch Pockets.