| Simms Freestone Sling Pack SKU - 904775 The Simms Freestone Sling Pack comes with a compression molded workstation, cavernous main compartment and zippered accessory pockets, plus a comfortable, fully-functional shoulder strap. The Freestone Sling is the ideal technical fishing pack for... ... more Simms Freestone Sling Pack SKU - 904775 The Simms Freestone Sling Pack comes with a compression molded workstation, cavernous main compartment and zippered accessory pockets, plus a comfortable, fully-functional shoulder strap. The Freestone Sling is the ideal technical fishing pack for... | | $149.95 go to store |