ABOUT TIPS FOR USING A TRAVEL BACKPACK

I’m 62 tis summer and my knowledge is ex armed forces, rock climbed 70s, backpacked, mountain biked and extensive length trail walked from the 80s to current. with the 70s to late *80s, as an alternative to snacks, I applied to hold salt tablets and Dextrose glucose tablet laced drinking water to replenish salt and fluid lost by sweating and to h