giro snowboard helmet sizing Spur MIPS Helmet, Matte Black / XS Aerohead II Mips is our most aerodynamic time trial helmet ever Giro Vault Ski/Snowboard Hemet Black/Red

Extensive wind-tunnel testing allowed Shoei to refine the aerodynamic shape of the shell and how the helmet seals around the lower part of the riders head, reducing audible wind noise by a claimed 2.2 decibels60 percent quieter than its other models, according to Shoei

FLASH: fast length adjustment of short reads to improve genome assemblies

Powerful carbon fiber drag system with up to 132lbs of max drag

The adjustable harness adapts to different body sizes and allows the pack position to move up or down for a tailored fit

Combine those with padded straps and a ventilated back panel, and you get a bag that feels worth much more than $80