To receive free shipping, just add items to your cart and choose Standard Shipping during checkout.
Note: You and your friend's email addresses are only used once as a referral. We will not collect or store the email addresses.
Source Descender Winter Hydration Pack has been designed and tested by professional climbers looking for a hydration pack to use in cold weather. The anti-freeze system will keep your water flowing when the mercury drops below freezing. Another great feature is the slim low profile design that hugs your body and can fit under a jacket. Use the Source Descender Winter Hydration Pack for all your winter activities