Linking one feature to the next down a row of rails and boxes is rough on a helmet, and the Giro Ledge FS MIPS Helmet answers with hard-shell construction: a molded ABS outer shell attached to an EPS foam liner. This snow helmet pairs an integrated MIPS slip plane with an adjustable fit system. Super Cool vents and removable ear pads round out the comfort from the first lap to the last. What Our Gearhead(R) Experts Are Saying:"The Stack Vent, a helmet vent that lines up with the center top vent on my goggle, lets warm air escape instead of sitting behind the lens. Vertical Tuning accommodates my goggle and head shape, so no gap shows above the frame."