So you’re on the slopes and you want to stay out even longer - but caffeine will only dehydrate you. Pack Oxia’s Personal Oxygen in your backpack and take a breath of fresh oxygen. 90% Oxygen, 10% Nitrogen - it is completely pure - no smog, no particles. Reduces lactic acid buildup while increasing blood flow. $70. Refills $25-30. BUY

If you do get the skis, you’ll probably want to grab Ortovox’s S1 Avalanche Beacon. Sensor can show the location of up to four others, while telling you how deep they are as well. Once the first person is found, you can easily delete that signal from the display. magnetic north is used to calibrate direction. Included is a slope measuring device, to help avoid using the main features of the gadget. Slope feature might be worth it alone. $529.